I II I I 'I 'I I I I I I I I

10 20 30 40 50 60 70

MILLIMETERS

Ct £dlfcoru 1?ip£**>

A SELECTIVE MICROFILM EDITION

PART IV (1899-1910)

Thomas E. Jeffrey Lisa Gitelman Gregory Jankunis David W. Hutchings Leslie Fields

Theresa M. Collins Gregory Field Aldo E. Salerno Karen A. Detig Lorie Stock

Robert Rosenberg Director and Editor

Sponsors

Rutgers, The State University Of New Jersey National Park Service, Edison National Historic Site New Jersey Historical Commission Smithsonian Institution

University Publications of America Bethesda, MD 1999

Edison signature used with permission of MoGraw-Edlson Company

Thomas A. Edison Papers at

Rutgers, The State University endorsed by

National Historical Publications and Records Commission 18 June 1981

All rights reserved. No part of this publication including any portion of the guide and index or of the microfilm may be reproduced, stored hi a retrieval system, or transmitted hi any form by any means — graphic, electronic, mechanical, or chemical, hicludhigphotocopyhig, recordingor taphig, or information storage and retrieval systems— without written permission of Rutgers, The State University, New Brunswick, New Jersey.

The original documents hi this edition are from the archives at the Edison National Historic Site at West Orange, New Jersey.

ISBN 0-89093-703-6

THOMAS A. EDISON PAPERS

Robert A. Rosenberg Director and Editor

Thomas E. Jeffrey Associate Director and Coeditor

Paul B. Israel

Managing Editor, Book Edition Helen Endick

Assistant Director for Administration

Associate Editors Theresa M. Collins Lisa Gitelman Keith A. Nier

Research Associates Gregory Jankunis Lorie Stock

Assistant Editors Louis Cariat Aido E. Salerno

Secretary Grace Kurkowski

Student Assistants

Amy Cohen Jessica Rosenberg

Bethany Jankunis Stacey Saeig

Laura Konrad Wojtek Szymkowiak

Vishal Nayak Matthew Wosniak

BOARD OF SPONSORS

Rutgers, The State University of New National Park Service Jersey John Maounis

Francis L. Lawrence Maryanne Gerbauckas

Joseph J. Seneca Roger Durham

Richard F. Foley George Tselos

David M. Oshinsky Smithsonian Institution

New Jersey Historical Commission Bernard Finn

Howard L. Green Arthur P. Molella

EDITORIAL ADVISORY BOARD

James Brittahi, Georgia Institute of Technology R. Frank Colson, University of Southampton Louis Galambos, Johns Hopkins University Susan Hockey, University of Alberta Thomas Parke Hughes, University of Pennsylvania Peter Robinson, Oxford University

Philip Scranton, Georgia Institute of Technology/Hagiey Museum and Library Merritt Roe Smith, Massachusetts Institute of Technology

FINANCIAL CONTRIBUTORS

PRIVATE FOUNDATIONS The Alfred P. Sloan Foundation Charles Edison Fund The Hyde and Watson Foundation National Trust for the Humanities Geraldine R. Dodge Foundation

PUBLIC FOUNDATIONS National Science Foundation National Endowment for the Humanities

National Historical Publications and Records Commission

PRIVATE CORPORATIONS AND INDIVIDUALS

Alabama Power Company

Anonymous

AT&T

Atlantic Electric

Association of Edison Illuminating Companies

Batteile Memorial Institute The Boston Edison Foundation Cabot Corporation Foundation, Inc. Carolina Power & Light Company Consolidated Edison Company of New York, Inc.

Consumers Power Company Cooper Industries Corning Incorporated Duke Power Company Entergy Corporation (Middle South Electric System)

Exxon Corporation

Florida Power & Light Company

General Electric Foundation

Gould Inc. Foundation

Gulf States Utilities Company

David and Nina Heitz

Hess Foundation, Inc.

Idaho Power Company

IMO Industries

International Brotherhood of Electrical Workers

Mr. and Mrs. Stanley H. Katz Matsushita Electric Industrial Co., Ltd. Midwest Resources, Inc.

Minnesota Power New Jersey Bell New York State Electric & Gas Corporation

North American Philips Corporation Philadelphia Electric Company Philips Lighting B.V.

Public Service Electric and Gas Company

RCA Corporation

Robert Bosch GmbH

Rochester Gas and Electric Corporation

San Diego Gas and Electric

Savannah Electric and Power Company

Schering-Plough Foundation

Texas Utilities Company

Thomas & Betts Corporation

Thomson Grand Public

Transamerica Delavol Inc.

Westinghouse Foundation Wisconsin Public Service Corporation

A Note on the Sources

The pages which have been filmed are the best copies available. Every technical effort possible has been made to ensure legibility.

PUBLICATION AND MICROFILM COPYING RESTRICTIONS

Reel duplication of the whole or of any part of this film is prohibited. In lieu of transcripts, however, enlarged photocopies of selected items contained on these reels may be made in order to facilitate research.

Patent Application Book, PN-09-01-21

This small looseleaf binder, which was compiled by or for Frank D. Lewis of the Legal Department, contains information about patent applications. The applicants include Edison, Jonas W. Aylsworth, Frank L. Dyer, Miller Reese Hutchison, Alexander N. Pierman, and other employees, as well as outside parties under obligation to Edison or to one of his companies. The applications, which cover the period January 1 909- November 1912, are grouped according to the following categories: phonograph machines, recorders and reproducers, records, moving pictures, storage battery, cement, electrical, numbering machines, primary battery, compositions, and miscellaneous. Each entry provides the name of the applicant, application date, serial and folio numbers, and a brief summary of the specification. Some of the entries also include a drawing or an indication that the patent was assigned to the Edison Manufacturing Co., Edison Storage Battery Co., New Jersey Patent Co., or Thomas A. Edison, Inc. The pages are unnumbered. Approximately 400 pages have been used.

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- Folio -610:--fiTea 'July ;16, ' 1910 .

T" "TJ . I . • Serial Uor :572',287 r

-f ■ - 1 . . . - -W Hv ■ -Mi-lller - ■ . -i . -

616 - filed Aug. 6, 1910

| . Serial- ITo; 575,981 ~

I - 4.ylEiw^r-tjh-|&-|Aikenj-- -

: _ I ; ] folding records - blowing a .

[ ; stroam of air through' the rotat- .

"| ling-jmolds' whioh; hav;e reoeived’ a -

- • oharge o f- material-toLc'o oil- tlie-f -

; . same. • i~ - -| — f ^ | — ( — j — — i Ll-| { i _

: : rl -I . ; . ~

i - l.WA)| - L-kC. _ X _

i ' i I ’l^roifess! of' mord'irig'fdTsdnre'd^ -

1 ' ords ; ‘v/hioh consists in ‘mixing -

p"j"'to^etlier|-a{"fus|i-ble'-“phenolio-|-oonl -

-• densation produo.t ,- an- inert -fill _

j— l-er4--and_a-hard!enirig^lagent.l_aon-, _

!•— I '-^jjiatipgLthe: ingredients. _to _J_

: _ ! .. . a blank, iformirigjaj surf a e

) layer pomp'risilng admixture- of “1 :

[ I pHen|dlao-JondeMSatl6nJ“protr"

f | ' au6tj-and]-a -hardendlng-ageniT ap- ~H --plying j-the]-same-|t o'-the-su-rf aoe-ofj— f — j — — the Jlank.j-and! -pres sing. Lthe.Lblank _

|— • — thus formed. jin.d_.auitable,| matrix _

. : with ! app 1 i o at ijon of jheat suffiq]- ' L ientl to pauie JhjF| ingredients ’to

rr ' reaot -ana-EardWr H-Ttti -

golio 617!-:

filed iAug.. 1.6;, .. Serial. .No:. '5.75

Ilio.ehi

C ondensit e : reo ord

iProbess Of forming, rebords mixing!, together a .fusible

, , . in! prpduot land a hard 'condensation iproduot 'in a i„A^a4i4.j and -molding, the

- jo lent heat until- plastio1. j fh®

molding,; heatingj-ho ' cause I0'' 1 ' -hardening react ion i-oo oli removing! from -mold. .

HRRjlie

powdered

iPolit

icord; igalj raach:

\J '

wH1

filed .August: 26/10 J. ;\Yi_:Aylswor.th. . ..

Serial. Ho.. ,579,130 ; Aggnd Convene ^te Co.

i MetioeL ;of Molding Records and| I ; Other; Objects1. ; r -

j • iHplding Urtioles jor - records ,

| • which1 oohslsts :ih ^forming ' a i -j-;

boating- of;- a -final- hard phenolic •

; condensation produot ,; whioh;is ■

: infusible but- somewhat jplastio- : •

; when heate|d; upon the; surface ; of r i a blank mold-,- pressing jan •artioie- j to' bej coated into -contact with ‘ !

| the j coating jih the mold with ap- ' i piioapion -;of heat to 'cause the !' j'

opating to: firnily adhehetto }t>--‘ -

!" artiolpi j'rpitoVing- itTtep boated ; Orjtiold ,i and “pfeSsihg: thO' same

; bau s ej

'olio I 632

filled £

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1910

615

Folio 638 - filed Sept; |29,- 1910

-• ■ ' “ t . A.- Ik Petit ■ - .

— ‘ \ Serial No.- 584,458 - -

. r- . Asgn&.;N.|j.p.j_do. ,

; ... — -

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•Folio 902 - filoa Ootober 26, 1912; • - : - • . Serial ITq., 727, 829!

57.,' ,;a. Baison

■Folio .905. -. filea IIov. ;9, 1912 .

. .... Serial Jfo.. i730,'343 ' T. A. Eaison • '

Polio 906

filoa Hovembor 20 * 1912 Soria! Ho. 732,410 Thomas A. Eaison ■

Method of making Bub master ; diso blanks and reoordB, including the means for making a vaouum ana

Pnl -1 J 737

filed (April 20, 1911: Tv !C i Orebriel 1 ; i • ; Serial Ho;. i622;,401 Asgnd TJAI.B. \ Ino'

lamp! plural

golio 774 filed iAug. il7,i .19X1.:. ■ : • • ; : ; Serial- No. .644,682 . .

. . A:. ;L> -Saltzman :

. • A'sgnfl T.A..B. -Ino-. .

■ • ; Chain drive- take-up: for motion piotnre :maphino3. ; •

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Polio 867.

filed: jun

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Folio 903 -"filed 0ot.: 28, 1912 ' - Serial' Ho. 728,370

: I. A. Edison -■

.■ Colored pioture projection apparatus* (Divisional appln . see folio " ) •

Folio 904 filed iOot. 20, 1912;

. : ■ Serial Ho; 728,393

. \ R. Hutohison.

Asgnd T.;A.;E/, Ino.

: Acetylene; Burner safoty valve

for Home P.K. .

. iMeana: for: cutting off the gas from ! tank when gas is turned off at burner.

p.-! A. Edison

Storage; Battery Eleotrode , ...» ori less- ofi bismuth oxide ad< ed to nickel hydroxide, or 15$

• -of imetallip -bismuth-;added-rto - > L_nidhel i.hydroxide:.. ; ! i _

r m

n

! Storage burrs from ar:e'

. grinding the .lid! strips which-'

batter;

install! . , _ _ .

r pockets.' '

I'Jiily' 1“,T: Serial Ho. £69 ’•Edison ••!•

t

! Folio 743 i-|

i

file i

t.. !aI

Seri i

. . i ;Prooess ;of •lioj copper from . metals i associated which consists j: ' associated meta! jtion -of animonr jtaining a ‘redubij

ing'

to the

separating . other,1 metal:

jtrierewith • |treatiri| ' with la| ; sulphate file jhaioid heating,1 and isupplyin

mixtu:

... mi;

.. ‘Edison;

,ai So.. .626,298

- filed1 Hay 18, ‘ 1911 Soria-l : IT o . ■ 62!7,‘995 A.1 Edison ! • ; ■ •

; Separating- oopp'er from metallic: ‘niolj-el associated: therewith, ■

: which 'consists in' treating ‘the; • •

1 associated Imotals1 with a solution- ' o:f ; copper; sulphate 'containing : - 1 ; c,upric ohloride; arid' simultaneous - ; l:y; stirring,' heatjiiig' and Supply- : i brt oxygeh hontc-iihi'ng has' to ; the mixture.; ' 1 1 ‘ v ■ • 1 •

' J-!

L 759- r...f iled ..June : SI., 19.11 . .... Serial ITo.; 634,428. . . II. ; Hut ohi:s on. :

: Asgnd.E;. S.3.: Co. 1

• Safety.. devices for : storage : ... •'+er-ies - tp-.-prevont-explosione , ■

■io 762 -..filed. July. 6>'. lgii :

• Serial. Ho. 637,177 .

• I.I.R. -Hutohison . :

• • Asgnd E.-S.3-. ;Co.- •

' • 'Method- of • charging storage • • batteries ,• v/hic-h rconsists in-- .

dividing -the battery: in- three •

groups,- connecting- two of -the - .

groups in sorie's,- charging- to - -

one-half -oapaoity,- then1 ■ donned t- . -•

ing -one- of - said: group and -the-- : ■ i third - group :in- series :and charg- ": ; ing ‘\in til the i said* groups are1 — '*ull*y charged ; and half - charged" ; ; : respectively, ; and then Wnnebt-rLH ing -the: two half Tcharged grouper"-' in: series and ! fully" ‘ohargihg: the ' 'same, 1 •; • ; r j- j

i ' ffolid 771 ■ filed ; July -29 ,-'1911 i : : ; Serial- IToV : 641 ,326

: . ; ‘ : : JV !'V/i. lAyl-swortli : : -

" ■ ; ; i'li'oahde j "t'o ';E VST.TT. P<j 7

An instilatingj (compound con-'' .. Gaining an. oxidation product of i iqhlprinated.; naphthalene. ■ '

golio ; 785 r ifilpd,’. Sei?t’Vj2B,!' 1911 V ■ ; .Serio.'l.lTp.; .65.1 J 69.7 ■ '

rr : • • •- i Kv-R.; .Hutqhisjojj. i.'i ■ T

RTR

•Cliarsine- storage; b'att.'i '-the -currant!

' r

rn:

.or.ies i__L

' lero- !

Ir1'

m

/,}

w &

\

filed March Serial No. 61 H.; E. Hut o hi: Asgiid E.’S.B'.

. . .Pressure, indicating. and con- ' trolling means fori storage: bat¬ teries (improvement .on Polio 797)’

. Switoh in charging. circuit! adapted to. be;released when batteries are fully ; charged.

19

; filed j)eo:. '22 ,! 19i. j Serial if o'. '667j,366 ;A. jBdisoh; '! i '

!. ptoralge bctte;ry.

■ Ao.iijvd material: fo* storage . tory electrode iconoisting of , : mixture of finely divided non! pyrophoric, iron and jmeroury.1

v-

1

Eoli'o ! 801 r iiled Oct. 21', l&ll' ' 1 ... ; Serial jir'o. 655,902

. Edison . . .

Cement Kiln.:

. .. ! The ;use; of. an! oil burner . . and spreader, for pulverized . fuel, i i _

j- • •! Using. the oil i burner- as: in. auxiliary, to ! neat, up kiln. . .

35%! ajnthraoit'e -and ■

fuel will ignite:

! so. that: the . : 65% hituminoi ■ more! readily!,

■Polio .805. - filed. 3eo.. 1, lOlli

. Thomas !A. Edison! i

■ : • Serial ilo.. 663,399:.

aiv. of folio- 34 ■

Car: sikip hoist.

•M-h-f-i

!. 1 ■. IQ

;il

■Folio 021 ■ -• f ilG'd ■ Jan . 30 , 1912 " ' ' Serial No. • 674,274 • . 1 ' A!. 'Edison : • • •

Concrete' furniture - making' chairs, etc. in 'sections' of 'demerit ' reinforced - with' piping. '

•T

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' Polio: 829 '- 'filed Ileiroh' 21', 1912

Voltage regulation for' h'ou. lighting; system froni battery. ;

Polio '051 - filed' :£ardh: 22; 1912 ' . ; ; ! ; I : Serial ;ir'o.' 68‘5;542 ' i

; i ; ! ; ; j f A.! Midoh ' "' i ' "i

■ stora'ge battery wagin' (sbcorid; . tfonstruotldn;). : • . I j ' lv'i ’

1

1 Cohtkot adapted to 'd'isi “ heat *->

■in rectifiers said;

being ' oonib-shaped'.

mj: j

T; A.r Edison :

Piled June 13‘, 1912 Serial :JTo.; 703, >368 ■

■ i - ;

Bipatje'i

Tj"; i.

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tfolio 876 r filed July Sj,'19l2' . . . i . ; : .Serial! No. 712,591 .

.Thomas; A... Ediispn! ;

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DOCUMENT FILE SERIES

The Document File is primarily a collection of incoming letters addressed to Edison. The letters frequently contain notations by Edison or his secretaries indicating the nature of the reply. Drafts and copies of outgoing letters can also be found in this file, along with a variety of other documents, such as memoranda, reports, and agreements.

Most of the items in this collection were initially part of Edison's own correspondence files, which were maintained by his secretaries and stored in a series of cardboard "letter boxes." After Edison's death, the documents were transferred by archivists into folders and reorganized within each year according to subjects. Other items, not part of the original correspondence files, were subsequently added to the collection. In addition, some of Edison's correspondence was removed from the Document File and transferred by archivists to other record groups. An example is the correspondence relating to Edison's search for sources of nickel for his alkaline storage battery. Those letters can now be found in the records of the Mining Exploration Co. of New Jersey.

The Document File for 1 899-1 91 0 contains a substantially larger amount of non-Edison correspondence than for earlier years. For example, there are numerous letters addressed to William E. Gilmore, who served until 1908 as president of the National Phonograph Co. and the Bates Manufacturing Co., as vice president of the Edison Manufacturing Co., and as general manager of the Edison Phonograph Works. In addition, there are numerous memoranda and carbon copies of Gilmore's outgoing correspondence. During the 1990s, most of the correspondence relating to the National Phonograph Co. was removed from the Document File and organized by archivists into a separate record group. Nonetheless, a considerable amount of Gilmore’s correspondence remains in the Document File, particularly in the "Battery, Primary," "Edison Manufacturing Company," and "Motion Pictures" folders! Similarly, many of the folders for 1 908-1 91 0 contain items from the office files of Frank L. Dyer, general counsel of the Legal Department, who succeeded Gilmore as the head of Edison’s enterprises in August 1908. In addition, there are numerous letters to and from Edison's secretaries— John F. Randolph and his successor, Harry F. Miller— and other company and laboratory employees.

Many of the letters for 1 899-1 91 0 relate to the technical and commercial development of phonographs, motion pictures, and storage batteries. There are also items concerning the legal and financial dealings of the Edison companies, particularly the Edison Manufacturing Co. and the Edison Phonograph Works. Among the phonograph-related items are descriptions of the Works, memoranda regarding experimentation and model changes, and correspondence involving protracted litigation over sales rights. The material on motion pictures includes references to production and marketing, copyright and censorship issues, and experimentation with colored film and talking pictures. The battery-related correspondence pertains to the technical development and the domestic and foreign exploitation of Edison's alkaline storage battery, which he introduced in 1901 and continued to improve throughout the decade. Included are items regarding possible applications of the cells, particularly in automobiles and other electric vehicles. In addition, there are letters and other documents concerning the New Jersey Patent Co ’ a patent-holding company organized in 1903; the increasing centralization of Edison’s businesses under the administrative aegis of the Legal Department and the Manufacturing and Executive Committees; and the formation of business associations or pools with the Edison Portland Cement Co 's competitors and with motion picture producers and distributors.

During the period 1899-1910 Edison received an increasing number of unsolicited letters from aspiring inventors, individuals seeking autographs or charitable contributions, and others writing in response to published accounts of Edison's inventions, opinions, or experiences. Edison responded to some of these letters with marginal notations, in which he expresses his views on topics such as religion and spiritualism, hearing impairment, aviation and aerial navigation, and wireless telegraphy. Other marginal responses indicate his plans for a poured concrete house and his recollections of the details of his early years. In addition, there are items from clubs and societies to which Edison belonged or which tried to interest him in their activities, along with letters from journalists, entrepreneurs, and organizers of expositions and trade shows. Edison also received a substantial amount of correspondence from the general public as a result of his solicitations for information about the location of gold dry placer mines (1901-1904) and inexpensive supplies of cobalt ore (1906-1907).

There are also some letters relating to Edison's personal finances and family affairs. The "Edison, T.A. - Family" folders contain numerous letters

about the personal and financial difficulties of Edison's sons, Thomas A. Edison, Jr., and William Leslie Edison, as well as the interests and activities of his second wife, Mina Miller Edison, and other members of his immediate and extended family. The "Glenmont" and "Fort Myers" folders contain items pertaining to Edison’s home in Llewellyn Park and his winter home in Florida.

The items in the Document File are arranged by year and are subdivided within each year according to broad subject categories. Many of those categories relate to technologies such as phonographs, storage batteries, and motion pictures. Although most Edison companies are categorized as subentries within a particular technology, a few companies appear as main entries, generally because their activities embraced several technologies or because they remained distinct from other Edison interests. Examples include the Edison Manufacturing Co. and the New Jersey Patent Co. Related material regarding the business of Edison's various companies can be found in the Company Records Series.

Documents that deal with more than one subject or that do not fall under any of the technology categories are filed in "Edison, T.A. - General." Researchers interested in a particulartopic should always consult "Edison, T.A. - General" and the various other "General" folders in addition to more specific subcategories relating to their interests.

Letters pertaining to various Edison technologies can also be found in other folders throughout the Document File. For example, the "Patents" folders contain correspondence to and from Edison's patent attorneys and agents. A letter concerning the assignment of a particular phonograph patent would be found in the "Patents" folder rather than a "Phonograph" folder. Other folders that frequently contain technology-related material include "Edison, T.A. - Articles," "Exhibitions," and "West Orange Laboratory."

Undated documents pose an especially difficult organizational problem, since the archival filing system for the Document File requires the attribution of a year to each item prior to its placement in a subject folder. Undated documents selected for publication appear within the year attributed by the archivists, unless there is compelling evidence that the attribution is erroneous.

All documents that received a substantive response from Edison have been selected, together with other letters that contain significant information

about Edison, his laboratory and business associates, and their activities. In cases where Edison made the same reply to numerous correspondents, or where large numbers of similar documents present repetitive information, a representative sample has been selected for publication. Dockets, endorsements, and other secretarial markings appearing on the backs of letters have not been selected, except when they contain important information not appearing on the document itself. Enclosures and attachments appear after the items they accompany.

Incoming correspondence and other unbound documents can also be found in the Company Records Series, Legal Series, and Special Collections Series.

DOCUMENT FILE SERIES

1899

1899. Edison, T.A. - General (D-99-01)

This folder contains correspondence relating to a variety of subjects. Included are documents that deal with more than one subject or that do not fall under the main subject categories in the Document File. Among the items for 1899 are letters from longtime Edison associates, Edward H. Johnson and Sigmund Bergmann.

1899. Edison, T.A. - Clubs and Societies (D-99-02)

This folder contains correspondence and other documents relating to Edison's membership and activities in clubs and professional societies.

1899. Edison, T.A. - Employment (D-99-03) [not selected]

This folder contains routine correspondence from or about employees and former or prospective employees. Most of the items are requests for employment at the West Orange laboratory. Also included is an enumerated list of laboratory employees.

1899. Edison, T.A. - Family (D-99-04)

This folder contains correspondence and other documents concerning Edison's family. Included are items regarding the business activities of William Leslie Edison and Thomas A. Edison,

1899. Edison, T.A. - Financial (D-99-05) [not selected]

This folder contains routine correspondence and other documents relating to Edison's personal finances. Included are items pertaining to the purchase and sale of bonds, a statement of the tax due on the estate of John Kruesi, and routine letters from J.P. Morgan & Co. concerning payment of the monthly stipend provided by Edison to his daughter, Marion Edison Oeser.

1899. Edison, T.A. - Unsolicited Correspondence - General (D-99-06) [not selected]

This folder contains unsolicited letters to Edison regarding personal and business matters. Included are requests for advice on technical matters and requests for Edison's assistance in improving or promoting inventions. Other items concern requests for Edison's investment in, or contribution to, various financial ventures. No record of a significant response by Edison has been found for any of these items.

1899. Edison, T.A. - Unsolicited Correspondence - Foreign Language (D-99-07) [not selected]

This folder contains foreign-language letters to Edison that have not been translated into English. Unsolicited foreign-language documents accompanied by translations or English-language summaries can be found in the "Edison, T.A. - Unsolicited Correspondence - General" folder.

1899. Edison, T.A. - Visitors (D-99-08) [not selected]

This folder contains letters of introduction and requests to visit Edison or to tour his West Orange laboratory. Substantive letters from individuals who visited the laboratory or company shops on business can be found in the appropriate subject folders.

1899. Edison Manufacturing Company (D-99-09)

This folder contains correspondence and other documents relating to the business of the Edison Manufacturing Co. Included are items pertaining to the use of Edison's signature as a registered trademark and to the use of phonoplex circuits by Western Union. Also included is a statement of the company's assets as of March 1, 1899, submitted by William E. Gilmore, general manager. Other items in the Document File relating to the Edison Manufacturing Co. can be found in D-99-15 (Motion Pictures).

1899. Edison-Saunders Compressed Air Company (D-99-10)

This folder contains correspondence and other documents concerning the patents possessed or considered for purchase by the Edison-Saunders Compressed Air Co. relating to the development of a pneumatic motor. Included is a letter from William L. Saunders of the Ingersoll-Sergeant Drill Co. to Walter S. Mallory of the New Jersey and Pennsylvania Concentrating Works evaluating existing patents. Also included is a statement of company accounts for the period 1899-1904.

1899. Electric Light (D-99-11)

This folder contains correspondence and other documents relating to electric lighting and power. Included are items attesting to Edison's continued relations with the General Electric Co. and the Edison Electric Illuminating Co. of New York.

1899. Fort Myers (D-99-12)

This folder contains correspondence and other documents relating to Edison's home and property at Fort Myers, Florida. Included are items pertaining to the repair, shingling, and painting of the house, and an undated memorandum regarding a steamship and railroad freight route to Fort Myers.

1899. Glenmont (D-99-13) [not selected]

This folder contains documents relating to the furnishing and maintenance of Glenmont, Edison's home in Llewellyn Park. There are three items for 1899: an agreement with E. H. Harrison & Bro. of Newark for plumbing work; a memorandum pertaining to the payment of a C.O.D. bill; and a memorandum regarding coal purchased for the house and outbuildings.

1899. Mining (D-99-14)

This folder contains correspondence and other documents relating to mining and ore milling. Many of the letters were written in response to reports of Edison's interest in developing a separation process for gold ore. Also selected is a 2-page advertisement explaining Edison's "dry placer process for the separation of gold from gravel without the use of water," a process experimentally developed at the West Orange laboratory and tested at the Ortiz Mine in Dolores, New Mexico.

1899. Motion Pictures (D-99-15)

This folder contains correspondence and other documents relating to the production and commercial development of motion picture films. Most of the items concern the Klondike Exposition Co., which was organized by Edison and Thomas Crahan to make a filming expedition to the Yukon in order to produce films suitable for display at the Paris Exposition of 1900. Included is

correspondence between Crahan and William E. Gilmore, general manager of the Edison Manufacturing Co. Related material can be found in D-99-17 (Phonograph - General).

1899. Patents (D-99-1 6)

This folder contains correspondence and other documents relating to foreign and domestic patent applications, patent litigation, and other patent matters. Most of the material consists of letters to Edison from the law firm of Dyer, Edmonds & Dyer pertaining to phonograph patents and patent infringements.

1899. Phonograph - General (D-99-17)

This folder contains correspondence and other documents relating to the commercial and technical development of phonographs, particularly the business of the National Phonograph Co. Most of the items are letters to William E. Gilmore, president of the National Phonograph Co., from Charles E. Stevens, foreign agent for that company. Gilmore and Stevens were organizing phonograph sales abroad even though the Edison United Phonograph Co. had already been established to exploit the phonograph outside the United States. Also included are several items pertaining to the domestic phonograph market as well as an undated memorandum by Edison discussing financial arrangements to be made with Stevens. Several of Stevens's letters relate to motion picture as well as phonograph markets. The records of the National Phonograph Co. for the period 1 900-191 1 were removed from the Document File and organized by ENHS staff as a separate record group. A finding aid is available. Selected items from this record group can be found in the Company Records Series.

1899. Phonograph - Edison Phonograph Works (D-99-1 8)

[not selected]

This folder contains correspondence and other documents relating to the Edison Phonograph Works. Most of the material for 1899 consists of orders placed with the Works by the Edison United Phonograph Co., along with checks and routine correspondence associated with such orders.

1899. Phonograph - Edison United Phonograph Company (D-99-1 9)

This folder contains correspondence relating to the business of the Edison United Phonograph Co. and its subsidiaries. Included are items concerning the company's financial problems, wrangling among its board members, and relations between it, the subsidiary Edison-Bell Consolidated Phonograph Co., Ltd., and the Edison Phonograph Works. Many of the letters are by George N. Morison, secretary of the company, and are addressed to Stephen F. Moriarty, vice president. There is also correspondence by Moriarty and by John E. Searles, president of the Edison United Phonograph Co. At the end of the folder are two undated communications by Edison to Josiah C. Reiff denouncing Moriarty as "an extremely dangerous adventurer" who "has been living on the Co for years."

1899. West Orange Laboratory (D-99-20)

This folder contains correspondence and other documents relating to the operation of the West Orange laboratory. Among the correspondents are Edison, Walter S. Mallory, and John F. Randolph. Included are letters from insurance carriers, items pertaining to real estate, and several Edison memoranda regarding materials ordered for the laboratory.

1899. Edison, T.A. - General (D-99-01)

This folder contains correspondence relating to a variety of subjects. Included are documents that deal with more than one subject or that do not fall under the main subject categories in the Document File. Among the items for 1899 are letters from longtime Edison associates, Edward H. Johnson and Sigmund Bergmann.

All of the documents have been selected.

THE

YOUNG HEN’S CHRISTIAN ASSOCIATION OF THE ORANGES.

419 .Main St.

, .Office o! the General Secretary.

Mr. Thomas A. Edison,

Llewellyn Park, Orange, N. J.

January.. 12,.. 189.9...1

Doar Sir:

Mr. Richard Colgate sugges'ts that I remind you that you made to him, some weeks ago, your pledge of $100 toward the current expenses of the Young Men’s Christian Associa¬ tion of the Oranges, be'ihg"the' same amount you heivo contributed; annually, for several years past. As our ^Association fiscal year onds January 31st, we are specially desirous of securing payment of ^1: piW^gpspon .account of the work of 1.898 before the close of the present month, and would bo under great obligations if we could have your remittance at as early a date as may be convenient.

Thanking you in,, anticipation; I remain,

[ENCLOSURE]

If entirely agreeable to you,

| it would be a very great accommodatio:^ and much appreciated, if you could send your check for the $100. which you re¬ cently contributed toward' the running expenses of the Orange Young Men's Christian Association early this month.

i:

We have a number of bills to meet by j ; the 15th, and if your check could ar- • rive on or before that date, I will ap- j predate it. I wish to thank you fofc j the interest which you have always tak- ! en in this work in Orange, and I hope : that some day I may have the pleasure of showing you- through the building,

[ENCLOSURE]

and explaining more fully just the line of work which we are carrying out.

1 am also much interested in the problems which you have to meet to se¬ cure good workmen for your iron plant, and if at any time I can be of any assistance along this line I will be pleased if you will call upon me.

Yours very truly,

Mr. Thomas A. Edison.

New York, Dec. 3, 1898.

^ r — ' — '

£$. S$iee£

.R. BRECKON & 09,

JANUARY 28th. , ^//? 99]

T. A. Edison Esq,

New York. U.S.A.-

Dear Sir,

Your Electric nun.

This is not much in use- scarcely at all in this country. The patent has I suppose expired. it was an excellent instrument for duplicating documents- nothing better -has-been produced up to j this time. The great difficulty was , in the battery. In Offices few persons ; would keep that in good order’.' .Then the] use of the pen would fail and hostility to it was raised.

I have been thinking that you may be

able to invent a simple method for taking electricity. from street wires-

reducing the force of it so as to suit the working of the pen. This idea may. have had your consideration- if so I shall be obliged if you will write to me to say what may be expected in that line.

You will no doubt recollect my name when I mention that I bought your Patent for the Electric pen.-

Yours faithfully.

[ON BACK OF PRECEDING PAGE]

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)F TRADE OF THE CITY OF NEWARK, NEW JERSEY.

ROOMS: 764 BROAD ST.

Newark, N. peb. 80 th, 1899.

Hr. Ehojnaa A. Edison, •

West Orange, N. J.

My dear Hr. Edison: —

I have been appointed by the Newark Board 'of Trade as chairman of a committee on the "Reclamation of the Newark Mead¬ ows,. "

. ' I enclosed band you points raised by -the State Engi- c* Verm eta e. Tbe question involved, row is to do away

with tbe malarial influences, from Which we are suffering and: tbe mosquito pest, and open tbe Newark Meadows at first to a ra-i cul¬ ture and gradually to commerce. 6

. .. be a Sr0at help to -me if some 6f onr leading-

tbei^ our -Board1 of Trade, even if they 6m y allowed tbeir names to be used, recommending suob improvement.

mile I know that, your -time will' not permit- you to be

c.i amation of tbe meadows, and 1 feel sure that I can make a suc¬ cess of this movement. ‘ raaKe a suo

w_ ‘ I.kn0^ t:bat Wv. are deeply interested in tbe welfare of Newark, having been connected with it for years.

+ >10 ^ C0n?itt9e °^yMob I am tbe chairman consists of

the following members: Austin McGregor, ’Henry Merz of Heller-85 Mers, George W. Tichenor, ,A. • C. Courterj Colonels E. - L. Price, &

C. C. Vermeule, James A. Coe, R. C. Jenkinson .and Senator Ketch- "

.our SST iwn; STS^d^t^rSn90' Tt if ~

Sb^ t0 att9nd the raeetinS3' bUt that *»» —an advisory63801^

111 oraor"fco .our name connected with this good - -

Thereat ^ ^ bec0me a member- of our Board ojf Trade

pfease olr £° P" * 7011 ^raWy ^ Ss*

. enclosed' card, sign same and then return

OF TRAD? OF THE CITY OF NEWARK, NEW JERSEY.

ROOMS: 764 BROAD ST.

it to me, in end o add envelope* • .

Thanking you beforehand, I remain, -with my kindest re¬

gards.

Tours sincerely.

Chairman of Committee on Reclamation of Meadows*.

P. S.-Please return Mr. Vermeule's address to me, as this is the only copy X have 1 eft.

Dictated.

EHCLO SDRS. ( ADDRESS. )

<Vm

POPE MANUFACTURING COMPANY

MOTOR CARRIAGE DEPARTMENT j ,

HARTFORD, CONN., U. S. A. 7^' - -

?ln

Hr. Thomas A. Edison

East Orange, H. J

Dour si;

X. Jr

ETTER NO. 431-HKI Fab. Slot ,1809.

u-o-

/is a result of the interview betwoen you and our an d Hr. /Udon

in the course of which you expressed a dosire which to experiment with your battery, wo addressed our, museums and factories parts enough front which

irt of a tricydo with s to collecting IT on our with what you want. By the manufacture of a few new parts we have succeeded in accomplishing this and take pleasure in sending you by freight prepaid to Efot Orange the result, which please consider at your disposal for your experiments front which we shall be glad to hear when you ore ready.

Very t-^speetfuy^r;

Pope

& Co., MOTOR CARRIAGE DEPT-,

"XL *0

i

7

Harold p. brown, electrical engineer,

120 AND 122 LIBERTY STREET, HEW YORK.

the Edison-brown Plastic Rail Bond,

UNDER PATENTS OF THOS.A.EDISOH AND HAROLD P. BROWN.

,-ACTORY. MONTCLAIR. N.J. cableaddress.'lorah.newyork: ai code used.

March 25th., 1899.

Mi. Thoams A. Edison,

Orange, IT. J.

My Dear Mr. Edison: -

I have your letter of the 18th. inclosing letter and di¬ agram from Mr. V! . H. Talley of Waco, Texas for which accept my thanks. I have written Mr. Talley fully in regard to the matter. Very truly

yours.

HPB/fcj

^ POSTAL TELEGRAPH-CABLE COMPANY.'" "

Office of the Electrical Engineer.

M. oavis, *'..T. New York, March 25th, 1899.

My dear Mr. Edison: -

I have just seen a letter from the Italian Govern¬ ment Officials of tho Telegraph in Italy in v/hich they express a very great desire to receive an autograph letter from you expressing your views upon' the scientific and electrical achievements of one of Italy's honored sons, Volta, to whose memory there is to he a one-hundredth anniversary of the invention of Volta's pile, in May next in Como.

I also inclose herewith a subscription blank for such an amount as you feel like contributing towards the wreath that is to be placed on the base of Volta's statue during the centennial celebration.

Y/ith my very best regards,

[ENCLOSURE]

VOLTA FUND COMMITTEE.

TO THE FRATERNITY ;

Owing ! o the national importance of the Volta Centennial celebration at Como, Italy and of the large fund that is being raised in the United States I have addressed to three well known gentlemen the following letter which I trust will meet your approval. These gentlemen have kindly consented to act as a committee on your behalf.

Very respectfully,

J. B. TALTAVALL.

Mr. Wm. H. Baker, New York, March 13th, 1899.

Mr. Wm. J. Dealy,

Mr. John Brant :

Dear Sirs-A short time ago I was requested by a few leading telegraphers in New York to lend the services of myself and the “ Telegraph Age” to aid in securinga delegate and in raising funds to meet h,s expenses to the Exposition at Como, Italy, to be held next May, at which time and place the one liundreth anniversary of Volta’s great invention of the Chemical Battery is to be celebrated.

The time being too limited to consult the prominent members of the fraternity throughout the United States, I secured the consent of Mr. Walter O. Burton tb act as the delegate, and Mr. F. W Jones-consented to act as treasurer of the fund.

The appeal made for subscriptions through the '• Telegraph Age ” is meeting with a very liberal response, so that there is a cheerful prospect of not only securing an amount sufficient for Mr Burton’s expenses, but also a very creditable amount in addition to be donated to the Italian authorities Tor defraying the expense of the magniilcient bronze wrcatli that is to bo attached to Volta’s statue in tlio name of the telegraphers throughout the world.

m h „ ,rUMs Tn'IT" With Mr- J°neS we are b0th very dcsirous to have you act as a committee m behalf cf the United States subscriber to the fund, for the purpose of passing upon all questions in reference thereto, and in framing, and deciding upon, all such arrangements for the guidance of the delegate as the committee shall deem wise, and also to authorize all proper drafts upon the treasurer, Mr. Jones and myself will be pleased lender the committee every possible assistance. ” i An early answer will, oblige.

Yours very truly,

J. B. TALTAVALL.

[ENCLOSURE]

[ON BACK OF PRECEDING PAGE]

¥

Amount Forward ' 2G1.50

The Ohonite Co. Ltd. , H.Y. 5.00

E. F. Phillips , Am. Floe. Works,

Providenoo, K.i. 10.00

Clarence w. Seamans, H.Y. 10.00

T. P. Wheeler, St. Louis, Mo. 1.00

Oeo. F. Fagan, H.Y. 1.00

v/m. Marshall, » 2.00

J. F. Shorey, " 2.00

Western Elec. Co., H.Y. 50.00

W. 0. Logue, Orange, H.J. 2.00

F. 0. Halstead, H.Y. .50

W. A. Harris, How Haven, Conn. 2.00

Total

347.00

[ENCLOSURE]

THE

TELEG RAPH AO£,

253 BROADWAY# £ 0 1 1 ^ I

. TALTAVALL, Publisher. 1 ^ ^ ',/rVO N^w

wary 10, . j

Extract from Telegraph Age of January

“ American Telegraphers to Honor Volta.”

Walter o. burton named as the delegate.

foot of MUly. nl'° l;ai8inf f!lm1s t0 P«vcliasa a bronze crown to be placed at the

l t''6 f0t Volta the inventor of what is known as the voltaic pile. The monument of L omo til1 18 °C <f in, ‘J10 °lty °f Oomo’ Itn’y- "’here the honored physicist was born. It is proposed to lmve a grand celobration m May, 1800, at Milan and Como, Italy, in honor of the one hundredth anniversary of Volta’s great discovery. The bronze ciwn is to be paid for y popular subscriptions of telegraphers of the world. Mr. G. Spreafico, the president of The corA fund0\nd3esi.atlOn’lJ] l nnf’ rt!lIy’ be eM to have American operators contribute to the

fund, and he desnes a delegate from the United States to be present and participate in an inter-

statue of vXMwlT f;JGCt t°f W],Idl T’iU be tlle <leP®Hing of the bronze crown at the foot of the statue on olta, which lus native town has erected to the celebrated inventor. The movemeut is

BiSSn eS”1,h AdmiUiStl'ati0U 118 WeU 03 hy th° teleeml>b departments of other

with trnmfnnnT™?111 ‘h™0 .m0Ilths’ tl“e in which fc° make all preparations, and after consultation no iminate the de' P?TT T V0 tole^afel's> }* was concluded that the editor of Telegraph Age wTth^ iv take V tho?°lnoI"te““t>onal Telegraph Congress, and in compliance there- o^the Western Tnt 1 nT W‘alte1' °' chief operator of the race bureau,

of the Western Union Telegraph Company, at 195 Broadway, New York. Mr. Burton is a thoroughly representative and expert American telegrapher, and without a doubt one of the best if not tliG leading oi’atoi% in tlio nrofp^sinn lt,, , >

tingly represent the American telegraph profession. ^ emen quallfied to fifc'

somo^on'o^i^oarO^nTT^TT to 1)0 raisetl by popular subscription, and we sincerely hope

some one in each of the telegraph offices throughout the country will at once assume the responsi¬ bility of raising the necessary funds. Five hundred dollars will be required to defray Mr Bur¬ ton s expenses, and to make a liberal donation to the fund to -purchase the hr c o ill

contributions will be acknowledged through these columns. It is desired to ha e many con

tributes ns .possible in order that the fund may be a representative one 7

York has JdndlvL' the folef'ical enSinee1' of the Postal Telegraph-Cable Company, New

S i r 7 f ;r e T act ”3 treasurer of tbe to defray the expenses of the Amm-ican delegate. Remittances may be made to Mr. F. W. Jones, 253 Broadway, New York ”

To F. W. JONES, Esq.,

253 Broadway. Ne\ I herewith hand you $ _

ts my contribution to the fund to defray

the expenses of a delegate to the Oomo, Italy, International Telegraph Congress. Yours very truly, ■

PILLING & CRANE,

March 27th. 1899.

Thomas A. Edison., Esq., (Lab orator/) j \

Orange, N. J. ' jrf

Dear sir: * (jj*'

The Standard Connell sv ills Coke Company has sent yon a box of ooal which is marked .0099. This is coal from a section of country surrounding the Connellsville district, and which is comparatively worthless on account of its high sulphur, which renders the coke objectionable. It is said that if any means can be devised of separating the sulphur from this coal, it would make the lands worth 5300., to $1000., per acre, and it is now ' selling anywhere from $10.00 to $50,00 per acre. ITe could realize for you an enormous profit, if the coal can be made comparatively pure.

Yours very truly,

sS

fat- #-r^ .^r-ts—

'ht* 3 ' <j? ?Z<C££crix>

[ENCLOSURE]

My dear Mr. Edison:-

I send by express, prepaid, a couple of boxes of soap. One is made from tallow and the other from cotton seed oil. You will notice that that made from cotton seed oil is very soft as compared with the other. By addins silicate or soda the cotton seed oil is very much hardened, but even then it does not become hard enough for our use. If., in your experiments, you should stumble across anything which would harden this soap more than either of the above ingredients do, it would be of value to us. With tallow, more rosin can be used in soap than with cotton seed oil, on account of the stronger body of tallow. It would not be of advantage to add anything to the cotton seed oil which in itself would detract in any marked degree from the lathering properties of the soap.

If there are any further particulars which you might desire to know in re¬ gard to this, I will be happy to give whatever information you may desire.

Another problem which we have not yet been able to solve, is the bleaching of cotton seed oil foots, or what is known commonly as cotton seed soap stock. It contains from 50 to 75/if of fatty acid, turns black when exposed to the air, and when made into soap, it is dark brown in color. What we want to do is in some way to bleach this up to a bright yellow, Fuller's earth does this to a certain extent, but does not carry the process far enough. I can send you samples of this, should you de¬ sire them. In clarifying cotton see^c oil, which is treated with caustic lye, these fats settle to the bottom in the form of a semi-saponified

[ENCLOSURE]

Stock, and therefore contain all the colorins matter- and sediment found in cotton seed oil. There are many problems in soap making which have as yet remined unsolved, but to these two, just at present, we are givinS the greatest attention.

X hope that in carrying on your other- experiments ; possibly be able to throw an "X Ray'” on these two problems.

Yours very truly,

'OticL yuMf

Mr. Thomas A. Edison.

ANS. SEP >309

vc/sco,... August . 13.il},, . 1899.,..

,UkB*C- £XMt.

Thomas E. Edison Esq

Dear Sir:-,

We observe that you are Interesting ..yourself in the manufacture of artificial fuel, and we take the liberty of saying that a Client of ours, recently deceased, was the patentee of a process whioh may possibly be useful to you, or interest you'

The patentee was himself a man;of much inventive genius; but was lacking in business qualities and failejfr’to turn his inventions to good pecuniary account. \ /

His widow and legal representative, is desirous of realizing on his patents and has requested ns to submit this to you.

We inclose a copy of^eoifiwtionsr3KTare informed that the geyser- ite^, which is the preferred binderyCan be had in unlimited quantities.

We should be glad to repeiyve any offer or suggestion from you.

)

Respectfully yours.

Qt/tmw/ Srf. >

vieytwf/ .

'/S// ■t3$r fifty/? vr/y*-.

New York, October 21st, 1899.

THOMAS A. EDISON, Esq:

Orange, New Jersey. Near sir.

A suggestion that the Americans who have enjoyed the splendid hospitality of Sir Thomas J.Lipton on the ERIN during the International Yacht Races should present to him a Loving Cup, in remembrance, has met w'ith prompt and cordial approval. It is believed that all of us whose names and addresses can be ascertained will be glad to participate.

Any action must of necessity be informal and quickly taken. The un¬ dersigned have consented to serve as your committee They have sub¬ scribed ten dollars each and are ready to increase this whatever is nec¬ essary. If you think best to contribute, kindly enclose any remittance you see fit to the order of Edward A. Sumner, as treasurer, 141 Broad¬ way, New York. And please send the names and addresses of any other Americans you know were fellow guests with us. A partial list has been secured, but it is wished that every one be reached and be sent a notice of when and where we can secure Sir Thomas and surprise him with the Cup.

Very sincerely yours,

Hon. Levi P. Morton,

Hon. Richard Croker,

Hon .Ferdinand W.Peck,

Hon. Frederick Fehfib^d,

Sontt Watson,

Edward A. Sumner,

Col. W .6 .H .Washington, Charles Farley Winch.

[ENCLOSURE]

This CUP is from the American cuests on the ERIN. It has no connection with any other

presentation.

My’ dear Mr. Edison:"'

-ju, For a number of years past .

•••; you have very generously contributed/^^ §100. toward the expenses'^ the Orange^1

||f' yotmg^Jien"1 s'1 Christian Association, and § ask if you cannot kindly renew1 your ^'T.'suDscTi^ibn""for^{7IT“year'’and place your name in the subscription book which x enclose? Our Association to¬ day has a membership of about nine hundred, among which are a number of your employes, and was never doing as good a work as at present. Our educa¬ tional classes in the evening number about one hundred and fifty. I had

1

hoped to be able to see you In person but have been unable to find you in, al¬ though calling several times, so I trust that you will excuse my writing you. Will you kindly return to me the enclosed subscription book, as it is the only one which I have and is of great value to me. We have just re- — - — caived a subscription of $100. each from Mr. Colby and his brother of the Park, and they will add their names to I those already in this book.

Thanking you for the interest and | the support which you have always given to this enterprise, believe me, j Yours very truly, i

I Mr. Thomas Edison.

New York, November 17, 1899.

Please accept my thanks for your kind donation of

§100. toward the expenses of the Young Hen's Christian Association of the • ‘A Oranges. It is only by receiving such contributions that we are enabled A. A. to place the many advantages which we before the young men* and I V' felt that in asking this of you, it was for an object which is really doing as much good for the morals and the uplifting of the Orange young men as any other institution or society among us. If entirely convenient, \ it would be an accommodation if we could receive your check before the 10th of next month.

I saw your automobile in the Park yesterday, and I an going to ask the privilege of taking a ride in it some day, as I think seriously of securing some sort of a locomotor for my own use, and would like the benefit of your experience. Knowing your excessive fondness for horses, I can appreciate how much you must enjoy this new vehicle/

Again thanking you for your kindness, believe me, as ever,

f £. . W

Ber^mann- Elektromotoren- und Dynamo - Werke

Aktiengesellschaft.

Giro-Conto : Reichsbitnk.

Telegramm-Adresse: FnJgura Berlin

Femsprtch'AMchltiise:

Amt II, No. 2652 mid 2600.

A.B.C. Code Used.

.1363

T h o s * A, Edison, Esq,

BERLIN N, . I)ec.am.b.er....l8,. . j8'q

Oudcnarder Strasse 23)30 ^

Llevellyn Park Orange N.J.

My dear Edison,

For some time passed It was my intention of writing to you, and now, as the year is drawing to a close, I come to realise this good intention, as I am anxious to know, how you are getting along,

I had planned to come over to the States last Fall, hut busi¬ ness developments have taken such a turn, that it was to my interest to postpone the intended trip.

The motor and dynamo business, I am happy to say, is develo¬ ping nicely in Germany, and there is a good prospect for prosperity in that line for some years to come.

I am building at present a large construction hall, connected with our present dynamo and motor Works, for building large type dy- . n amos .

The catalogues which I am sanding you under separate cover,

Bergmann -Elektromotoren- und Dynamo -Werke Aktiengesellschaft.

2 ( Thos. A. Edison, Esq . )

will prove to you that I have not been idie, and X may say It myself, that I have been working pretty hard during my stay hare, hut I am glad to state, with much success .

As we have no such undertow competition here as you and I have often experienced , while in business together, things here lie in more pleasant ways and all around, I am very satisfied, that X have trans¬ ferred the greater part of my labour to this side of the Ocean.

How, my dear Edison, how are you getting along ? I hope, you have soon reached the point, that you have only pleasant things to report .

Please write me a few lines and let me know whether there is anything I may be able to do for you in a business way or otherwise, as you know, it gives me great pleasure to be at your service.

Are you still intending to come out to Europe for a visit next summer with your family, as you suggested, you would do ? Myself and all you- friends here would take good care of you and your family.

X would look forward to your and your family’s visit as to a great ho¬ liday.

Last summer we called at Dresden, and Mrs. Bergmann and my daughters have visited your daughter, Mrs. Oeser ; X much regretted :of

/ . . . “ . ■ . .

Bergmann -Elektromotoren- und Dynamo- Werke Aktiengesellschaft.

3 ( Thos. A. Edison, Esq. )

not being able to call myself, as Mrs. Oeser was confined to bad by sickness at the time.

T know you are still working hard on your big scheme, and it would interest me to learn, if you are also worktng on something new, which I could perhaps handle for you here in Germany, having good fi¬ nancial connections and would well be able to introduce anything new and good.

■ Your patent applications con the Ore Milling System in Germany are making slow but good progress . Perhaps you know from personal ex¬ perience, that the German Patent Office is like the "Mills of the Gods". They grind slowly but exceedingly fine.

I hope to receive news from you at an early date and wishing you, Mrs. Edison and your family a very happy, prosperous New Year,

I remain

[ON BACK OF PRECEDING PAGE]

\

k §? m&w' ^s-j* ■’j

\\\i^ ij^.\\TO\W- MvW'X‘V’

- nac.emhjar_22nd., •

Mr. Thomas A. Sell son,

Orange j !T. J. My dear Sir:-

are exceedingly obliged for youf favor of the p.lst, current and the subject to which you refer Its shall have our very best attention.

Again thojikiijg yon for balling our attention to this matter,

1899. Edison, T.A. - Clubs and Societies (D-99-02)

This folder contains correspondence and other documents relating to Edison's membership and activities in clubs and professional societies.

All of the documents have been selected.

West Orange, N. J*

My dear Mr. Edison: — • . •

I am in receipt of your esteemed favor of yesterday, return¬ ing Mr* Venneul e* s addressi also' enclosing 70 nr signature for memberw sMp of the Board of Trade, and' oheok in payment of annual sub¬ scription fee— $10.00, 'which I /have handed over to the Treasurer*

My thanks to yon. /

• I -would very much like you to be present at our -next Board meeting! which will be held about the middle of the month, and I want to have the pleasure of escorting you, as a new member.

With my kindest regards to you> I remain'.

Tours truly.

Dlotatec

Electrical World and Electrical Engineer

9 MURRAY STREET, NEW YORK.

(s/1^ L ]

"0¥^r ^t^r- is£0>^i£ >*> ^ _c^<-

<3^ $ <&&&. *P+fr*~ ^ /-/. r/

Cl^Or^C^. . 6

l' SUC.«tW0HtD4£^i«,BWEER

OFFICE OF THE

Emm ^efern ^n*on Telegraph Company,

Manager,

Mr. Thos. A. Edison,

Orange, :

Dear Sir:—

+>,« t2 “7 letter stating that we/ had reserved

the.plaoe of honor for you at the meeting of the Old Time Tnlrtt*-

you will find it convenient and agreeable to attend, f.orgi

WOUll

Yours truly

///// ■///•///. r.r, <fe> '"ty //fry oft/ <•

r>/y/t n^bft/t /. e/w / .^r; &/:'// /y

&/#£}* 7'*/m

nmd|api3|md ‘wans iguanas 's Si -oN

ajnjijsui ujHUBJd sjaSBUBjj Pub sjaagjo

i824 1899

Seventy-Fifth Anniversary Franklin Institute

of the State of Pennsylvania for the Promotion of the Mechanic Arts

October 2d, 3d, 4th, 5th, 6th and 7th, at

in the Convention Hnll of the

National Export Exposition

Philadelphia

8 o’clock

the Officers

anal Export

ident of the ‘The Prog-

*. Henry ;raphy and

Wednesday, October 4th, 8 p. m. Mining and Metallurgical Section

Mr. James Christie, Philadelphia, Pa., President of the Section. "Introductory Address."

Mr. Chas. Kirchhoff, New York. " Three-quarters of a Century's Progress in Mining and Metallurgy.”

Mr. John Fritz, Bethlehem, Pa. “The Development of Iron Manufacture during the past Seventy-five Years.

Finale : — Stereopticon Illustrations

Thursday, October 5th, 8 p.

„av Export Bx

PHILADELPHIA, PA. lfOfj

oA^dmitA

m October iad' to ^th, 1899. ACCOUNT SEVENTY-FIFTH ANNIVERSARY OF THE FOUNDING OF THE FRANKLIN INSTITUTE

75th Anniversary Franklin Institute

lunch Garb

Saturday, October 7th, 10 P. M.

[ON BACK OF PRECEDING PAGE]

E. .1871.

Not Transferable.

This Complimentary Card is good for admis¬ sion at any Pass Gate.

The' holder will please deposit his personal card with gatekeeper as a 'basis- of statistics.

This Card must be shown for each admittance.

VOID UNLESS SIGNED BY

1899. Edison, T.A. - Family (D-99-04)

This folder contains correspondence and other documents concerning Edison's family. Included are items regarding the business activities of William Leslie Edison and Thomas A. Edison, Jr.

All of the documents have been selected.

[ATTACHMENT]

PHILIP POND, 2d,

Hr. Thomas A. Edison,

jfcw 3%rr vet/, *~/oom

I have a claim against William L. Edison in favor of 0. B. Rice for twenty hours tutoring in Physios amounting to §50.00 The daites are as follows:

1898-January 30, l hour. Av „ f

/A V

February 1, a » , S \f\ W

■ . /V f V ,

rf / //

fV./ / Vi

March 3, 3

“ 4, 3

^ /f'AV/

Kindly remit the same to my order at onoe aM thu\ oloseupVhe

DMtated.

[ATTACHMENT]

^ bUy^v wti^l

n i <j o \ ^vcx^>JC ^ "GCJjy\JL<4 ca-v^c^

.'t^- WxJU^o fl— *£? : ^ |

w/ 1!

[FROM F. D. PALMER]

TA£> S&wiiltj - j77

THOS. A. EDISON, Jli., Pit ns. WM. HOLZER, Vice- Pit kh. P. D. PALMER, Sue. AND Tubas.

The Thomas a. Edison Jr. and Wm, Holzer Steel and iron Process Company,

room 401. 35 and 37 Nassau Street,

new York, _ .Maroh...l4th, . 1899.

THOMAS A. EDISON ESQ.,

Orange, N. J.

Dear sirs —

Prefatorily, let me state this letter is written chiefly because of the interest I feel in your son, Thomas A. Edison, Jr. As the above heading will show, I am connected with him in his new process for treating steel and iron. The process is a secret one, and is now only known to your son. I have been informed and understand that you are con¬ versant with the process, and I now desire to ask you the direct quest¬ ion, : TBhat is your personal opinion of the practicability of the process as to whether it will toughen steel aB claimed for it by the inventor ?

I truBt you will pardon this obtrusion on account of it really being in the interest of your son, and that you will kindly favor me with an early reply.

I enclose you a copy of the test made by the Bethlehem Iron Co. on pieces of steel already treated by your son’s process.

Very truly yours,

Enc/.

/ "W. L. EDISON. L, KAISSR, M’o’i?

IT AN MOTORS OF AI/O IONDS,

45 EAST 59th STREET.

c/ifew- - JUNE. 27th.. . 1899. . /

My dear John:

Do me the favor by sending my check immediatlyas I leave for Chautauqua N.Y. on Saturday the 1st.

Thanking you in advance I remain

Very1 truly yours

WLE>; CX/vVfc <rv^

t: -WA*.

P.S. . . •

The enclosed bill is oorroct. • /

- G. M, ROGERS

ADDRESS ATjTj COMMUNIdATIONS TO

EDISON-ROGERS CO.

45 East 59th Street.

-XliUJCSaa. _

Thomas A. Edison,

Orange, h.j.

Dear Father:

Rogers and myaelf will toe over to see $fou on the 21 at of this month in regards to the manufacturing of our machines. Enclosed, find a catalogue i recently got up and trust you win read it in your leasure hours.

I have a groat many things to talk to you about ,oonseming your talk on Friday last with Rogers and can sot myself right ia many things.

your devoted son.

? ®v\v»SL<_. SON - La.

131 Liberty Street. Cable AtWreit, "EDIRO” N. Y.

W-vJ^SL

[ENCLOSURE]

•■•THE-;/

EDIS0N= ROGERS COMPANY. EXHIBITION ROOMS

45 East;59 tin !St. V/'

V - FACTORY^ V '

■ 131- Liberty Street. ~

W. L. EDISON. 'New York: r G. M.;ROQERS. New York. ,'

[ENCLOSURE]

THE

EDISON=ROGEJRS COMPANY. EXHIBITION ROOMS

45 East 59tli St.

FACTORY,

131 Liberty Street.

W. L. EDISON. New York. G. M. ROGERS. New York. C. M. ROSE, n’e’r.

[ENCLOSURE]

M9/E are manufacturing and putting on VV the market an automatic picture machine called the PiioToscopk which is the only absolutely perfect automatic mov¬ ing picture machine ever manufactured.

This machine surpasses all other inven¬ tions of a similar nature made for thenuiuse- ment of the general public.

This machine is provided with a push button and by pressing same, the machine is lighted up by electricity and one exquisite and beautifully illuminated picture is shown

nickel, a couccnlcd music box plays delight¬ ful music during the operation of the nta-

This is positively the only picture ma¬ chine which combines music and pictures.

SOME FACTS REGARDING MACHINE, i. Case of polished Oak.

а. Mounted on an Oak and Iron stand.

3. Money Drawer lias special lock.

4. Lighted by street current or battery.

5. Hasan automatic recorder for each nickel

б. Automatic springs, etc.

7. Size— 22" high -17" by 17" base.

Now let us see what ndvnntngc you re¬ ceive by purchasing these machines.

Each machine iu a good location would take in from $1.00 to $3.00 a day, now sup- pose it took in only 50 c. a day that will be $15.00 a month or $180.00 a year. A slip showing this table for machines from .one to one hundred machines mailed on application

his place with " warm ’’ views can pay his

Remember that these machines work while you sleep and while you are resting 011 Sunday, they are working overtime and pil¬ ing up double receipts.

These machines enn be made to operate both by nickel and penny coins, and packed and delivered to you F.O.B., New York City railway station. .... $S5.oo

The beautiful colored and opalescent views are made in France, and can. only lie ordered through us. They appear absolutely lifelike and perfectly stereoscopic in defuii-

[ENCLOSURE]

I he machines tee have put out lmvc earned for their fortunate owners from five to fifty dollars per week clear profit for each machine , often paying for themselves com¬ pletely within a week or ten days of pur¬ chase, During the course of a year the

themselves four or five times over.

Naturally the individuals owning and running these machines are not telling much of this to the public, for fear of competition in their own fields, as the business is so eas¬ ily handled by auy one of ordinary intelli¬ gence and small capital, say $200 to $2,000. Our machines arc patented.

[ENCLOSURE]

£■ fcn^ - fe~A CASE AND LUDLOW,

QL^i^jTTAV<rv^ej ej-*yi yf l-w

uj. w^etu 1

’ Ov ^ {‘-C

X-

newyork, Dec. 6, 1899.

Thomas A. Edison, Esc).,

Edison Labratory,

Orange, N. J.

Dear Sir:-

I find upon negotiating sale to Mr. .Henry Hallenbeok of

Montclair of a certain mortgage given by you/in 1895 to your son

William L. Edison for $4500.00 upon certaiiy property located in

the Townships of Bloomfield and Bellevill§/, same being due April

1st, 1899, that there was no bond given J&id the purchaser stands

upon this fact in declaring the purchases off. In a conference

with Mr. Otiis of Ot.iis & Pressenger, £ll Broadway, who made out

this mortgage together with a similar^ one to Thomas A. Edison, Jr.,

he states that he did .not^ consider- the bond essential, i

the property is ample security for yfeum stated in the mortgage.

However, in as much as the purchaser takes the position that he

does, I have taken the liberty off laying the matter before you and

request that you give us a collateral bond now, so that the pur-

cljaser cannot be released froW'his written acceptance. Of course

■it is a mere matter of fornyas far as you are concerned, though of

inesteemable valud^toumy^cTrient .

If this is .agreeable to you, I will prepare bond and

submit the same together with the mortgage for your consideration and acknowledgement.

Vervtruly

1899. Edison Manufacturing Company (D-99-09)

This folder contains correspondence and other documents relating to the business of the Edison Manufacturing Co. Included are items pertaining to the use of Edison's signature as a registered trademark and to the use of phonoplex circuits by Western Union. Also included is a statement of the company's assets as of March 1, 1899, submitted by William E. Gilmore, general manager.

More than 90 percent of the documents have been selected. The items not selected consist of requests for information regarding phonoplex circuits and documents that duplicate information in selected material.

Other items in the Document File relating to the Edison Manufacturing Co. can be found in D-99-15 (Motion Pictures).

191]

PLEASE BRING T

TIOX Ol> ASSESSMENT: iturduy, then. JO A. M. to 12 ft

3 NOTICE WITH YOU.

™ l)«nel)t only of tho parly aaa

.

. ^2?. .

. . wfc • /V*3 ? /brryztj

Newark, II. J.

Dear Sirs:

I bog to submit herewith statement of this Company as of March 1st, and desire to say In connection therewith that this is not an incorporated Company, being owned absolutely by Mr. Thomas A. Edison.

Merchandise-, finished and unfinished, Cash and Accounts Receivable,

Buildings and Machinery, Tools, Furni¬ ture and Fixtures, etc.,

Total, .

Liabilities,

Merchandise, current accounts, Net,

§ 37,040.84 39,061.42

30,070,33

112,979.99

20,240.13 $ 04,739.86.

Yours very truly.

ma/iw

General Manager,

{WESTERN, -UNION (TELEGRAPH COL Western .^DiyisioN.,

" Chicago,- August 18 •

..Tho8;- A: Editor.,- f5s.q . , •

I return herewith your b i l l of July 1 &'"* 1899’;- ■’'amount

$112.50, royalty on phonopli

rcuits, Cincinnati to Columbus,

Cincinnati to Lexington and. Cincinnati to Springfield, January 1, 1899, to July 1, 1899. 1 also attach thereto correspondence

passing between Superintendent Miller, Cincinnati, and this office. In this connection 1 beg to call your attention to my letter to you June 27th. reporting discontinuance of phonoplex circuit be-, tween Cincinnati and Columbus at the close of the year 1898. As soon as our wire facilities between Cincinnati and Columbus ax'd, between Cincinnati and Springfield again become inadequate, we will resume operation of the phonoplex between those points and you will be promptly notified.

Under the circumstances, wil 1 you kindly eliminate from the attached bi/13, the li rst and third items and return corrected

h i l l to me ,j^and\he same will have our prompt attent:

j// V v“rjr83paotm?-

[ENCLOSURE]

Western Union Telegraph Company, ™6s'

J. 0. Barclay, Esq.,

Electrician, Chicago, m

Dear Sir:

0inoinna.tl,_...0...»...July...21s.t/99- _ 189

Attached see bill from Thos. A. Edison for royalty on phono- Plex. We. have ,riot used the- phbnoplex sets between’ Cincinnati and Ortlur*- . bhs , or. between1 'Cincinnati and Springfield tike year. The Lexington set lam U06 every day. "Shkll we Pay the bin; under above circumstances.

(ThiliiKy

[ENCLOSURE]

I. N. Miller, July 21st., 1899/

Forwards bill from Thos.. A. Edison for royalty on phonoplex circuits Cincinnati, 0. , to Columbus, 0., Cincinnati to Lexington and Cincinnati to Springfield. States we have. not used the phonoplex sets between Cincinnati and Columbus or between Cincin¬ nati and Springfield this year.

Rospectfully returned to

I. N. Miller,

Esq., Sup e r in t ai dent.

I fail to find any notice from you that the Columbus- Springfield phonoplex circuit was discontinued January 1st. ,0n what date were we notified? ! The notice that you had discontinued the use of the use of the Columbus- Cincinnati circuit Jan- 1st.. ' was not received until a short time ago - too late to notify the - Edison people before sending out tteir semi-anmal statement.

Please advise me promptly when you discontinue the use of any, of the - phoriopl ex circuits so 1 can keep our accounts straight with' the Edison people. • Pl9ase return these papers and 1 will take:.

' up" the question of royalty on the two discontinued circuits.

Chicago, July. 27th., 1899.

[ENCLOSURE]

J, C. Barclayy Electrician, Chicago i’ll. Jul. 27th Correspondence in. regard to paying royalty on phonoplex -instruments between Cincinnati and Columbus 0. and betweem Cincinnati and Springe- field 0. : •

Respectfully returned to J. C. Barclay, Electrician, Chicago Ill.

I believe the understanding was when these Instruments were supplied, ifhey were to be used when we were short of wires between Cincinnati totfk Columbus. At that time we had so many leased wires that there ^W'.iLOt enough available for our own business, but for the past si# fikthths we have had plenty of wires and there was no occasion to i* tiding the phonoplex. Neither Mb. Ti.lghman nor myself romembof jfflUt «f<ySfdSpondence which required thbt -Wldl Bhauld, .nidlte a ’thfr fnstJfeaments. w.ore;.not-in-:us<J. W ara liftbifr to W

%houi4. ws^rdn short 'of wires.

Hand me a check of the Edison Mfg. do. for $1310.00, in payment as per this letter attached. Proper bill for this will come from D. 28. & D. in a day or tvro.

12/20/99.

Enc-L

V. E. G.

[ENCLOSURE]

%Cr, t>Qy,. K

■ ^/r‘r//r//// •• tftr //•//// ,5" f^lr //•/// fs/rt/.j/J. / f7’ | • ' (,J

National Phonograph Co Orange,

N.J.

December 18, 1899.

fftF.CF.IVED]

• DF.C.-liH899 I

Lstil

Wo beg to acknowledge receipt Of your letters of the 16th and 16th insts. returning to us the executed application papers for registration of trademark in the name of Mr. Edison in the several countries mentioned by you.

We beg to enclose a statement of account covering the cost of these trademarks amounting to §1310, being our original estimate of §1260, to which we have added the cost of a trade¬ mark in British India. If convenient, please send us a check for this amount, since a very large part of it requires to be immediately disbursed by us.

We will proceed with the filing of the applications for the several trademark registrations immediately.

Yours very truly,

(P.L.D.)

(Enclosure)

[ENCLOSURE]

Messrs. Dyer, Edmonds

Dear Sira;

r.> Dyer,

fit. ,

Hew york.

V/e duly received your favors of Dec. 18th, and note that, sam are addressed to the national Phonograph Co. Inasmuch as this trade¬ mark will always remain the property of Mr. Edison personally, lie de¬ sires that all correspondence, payments, etc., be made by us. I enclose you herewith check to your order for §1310.00, to cover all of this work, as requested. In the meantime, I return your invoice, made out against the national phonograph Co., and would ask that you canool same and send me a new invoice in the name of this concern.

I will have gotten out for you 38 small metal plates, such as you require, showing the trademark, made up in the manner indicated, and send them to you at the quickest possible moment. Does the fact that the papers were signed by Mr. Edison as "Thomas Alva Edison", whereas the plates, and in fact, the trademark itself, is made "Thomas A. Edison" make any difference?

Yours very truly.

tfSS/lW

General Manager,

1899. Edison-Saunders Compressed Air Company (D-99-10)

This folder contains correspondence and other documents concerning the patents possessed or considered for purchase by the Edison-Saunders Compressed Air Co. relating to the development of a pneumatic motor. Included is a letter from William L. Saunders of the Ingersoll-Sergeant Drill Co. to Walter S. Mallory of the New Jersey and Pennsylvania Concentrating Works evaluating existing patents. Also included is a statement of company accounts for the period 1899-1904.

All of the documents have been selected except for one routine report of patent claims.

AIR COMPRESSORS; ROCK DRILLS.

COAL CUTTERS. STONE CHANNELING MACHINES.

GADDERS. QUARRY BARS. BLASTING APPARATUS.

BOILERS. HOISTS.

K»^TCNTS HavemeyerBu/ld/ng26Cortlandt$t.

ST.SANFRANaSCO.CAL.

wi»SmEET.DENVER£OU>.

A~andWacouta Sts. ST. PAULMINN. 308 First Avt-SountSEATTLE, WASH,

. Cable Address:

/mmHmNevrYbmr 'E/mu London'

My dear Sir: -

I find that I have neglected to return the enclos¬ ed letter from Mr. Dyer to Mr. Edison. Generally spoalcing I agroo with fir. Dyer in his reference to the Parke Patents, but I must differ 'with him on some points, for instance ho says in reference to the first Parke Patent:' "The circulation through or around the combustible is effected solely by the incroaso in tem¬ perature produced by the combustion, which must be very slight indeed when a solid combustible is used". This circulation, in my judgment , is likely to be sufficient and the increase in temperature is likely to be con¬ siderable. I quite agree, with Mr. Dyer in that all the claims of the first Parke Patent are limited to the reservoir, and while this device will probably work yet in my judgment it is inferior in every respect to Mr. Edison's idea and in no way interferes with it.

The second Parke Patent seems to me to be more valuable than the first. I do not think that the in¬ tention is to pass all the compressed air through the c ombus t i on chamber, but only so- much of it as may be nocessary to maintain a desired temperaUire . I cannot agree with Mr. Dyer when he say6 that the device would not be/ operative . As a'mattor of fact it has worked. Mr. Dyer: gives as a reason that :" The solid combus¬ tible' material on the grate would produce such a drop in pressure as to cause, etc". I do not know what he means by drop in pressure as there would in my judgment be no drop in pressure due to the'. passage of\air over, the coals . \

I quite agree with Mr. Dyer in his comparaison between this Parke Patent and Mr. Edison’s idea. It is better to take a fraction of the compressed air and pass it through the fire as Mr. Edison does.

On general principles I vrould like to see the Parke Patents owned by the Kdison-Sannders Company, not that they are of any special value, as I think we have the most valuable Patents, but as the Parke Patents have never done anybody any good, perhaps they ‘may bo bourdit cheap.

Yours truly.

[ENCLOSURE]

Dear Sir:-

We have received your notes in reference to the patents relating to the reheating, of compressed air. These patents do not, in our opinion, materially affect the situa¬ tion.

It is true that in both patents to Parke, No. 481,623 and 613,053, solid fuel, such as charcoal, is referred to, but this is about as far as the patentB go. In the first of the Parka patents, is employed

"a distinct and separate reservoir or chamber interposed between the source of the compressed air supply and the motor, having connected therewith a separate combustion chamber, in which the combustion occurs continuously, be¬ ing supported by the oxygen contained in the compressed air, which is kept in circulation wholly or in part by the process ' of combustion" (p. 2, lines 86 to 96).

With this device, the circulation through or around the combust¬ ible is effected solely by the increase in temperature produced by .the oombustlon, which must be very slight indeed when a solid combustible is used. Furthermore, any differences in the consumption of the compressed air translating devices will have no bearing whatever upon the heating effect. All the claims of the first Parke patent are limited to the reservoir

In the second Parke patent, a Bolid combustible is con¬ sumed in a combustion chamber. We agree with you that the intention seems to bo to normally pass all the compressed air through the combustion chamber. We do not believe the device would be operative, since the solid combustible material on the grate would produce such a drop in pressure as to cause the cold air to elevate the controlling valve and pass directly to the translating devioe. Furthermore, this drop in pressure would depend absolutely upon the amount of fuel in the combus¬ tion chamber, so that the operation of the device would depend entirely upon the quantity of the combustible. We would say that the most that can be said of the second Parke patent is that he has reversed your idea, and passes the bulk of the air through the combustion chamber, effecting regulation by cooling off the air by the admission of cold air through the by-pass, while with your system', the maintenance of temperature is effected by regulating the small amount of intensely heated air in the by-pass. In other words, with the Parke patent, the combustion chamber is in the main line pipe, while with your system the combustion chamber is in the by-pass.

[ENCLOSURE]

(T. A. 13. , 3)

In the Judson patent, oil or gas is burned in a combus¬ tion chamber adapted to be connected in the pipe line. We think it clear from tho patent that Judson intended either to pass all the air through the combustion chamber or to pass all the air around the combustion ohamber. For instance, he says that the two valves are "adapted to throw the air through the re-heating ohamber, or pass it out of contact with the burner at will" (p. 1, lines 62 et seq.). In describing the oper¬ ation, he makes no reference to a sub-division of the air. He says:-

"In case it is desired to examine the burner, the air may be temporarily conducted to the motor-section through pass-pipe D" (page 1, lines 90; et sag, ) .

From this, we think it clear that the only purpose of the pass- pipe in the Judson device was to enable the combustion chamber to be cut off when desired. In all essential respects, there¬ fore, the Judson apparatus seems to be about the same as the apparatus of the Saunders patent, which wo have before consid¬ ered.

Our views on the question are as follows:-

1. It is new to employ a by-pass, through which will be conveyed a small portion of the compressed air to be directly heated.

2. It is new to provide a substantially uniform drop in pressure in a by-pass, to cause air to be forced through the same in a quantity dependent upon the consumption of the translating devices, whereby automatic regulation will be se-

[ENCLOSURE]

(T1. A. B., 4)

cured.

— is n0w, of course, to utilize all the heat by directing the large part of the air around the reheater, where by heating will be effected by radiation and convection.

We will take up the application immediately and make whatever amendments seem to us to be necessary in view of thos references.

Yours very truly.

(F.L.D.)

at* 'factor TiiUtig & oerfrif lcate of thla kiftfct is #B*. Qofora retarding fhff paper, ^cfitaiy affix a 10^ XnterniO Revenue

8tam>» ae r«j|liiracl by koi of pongrpsa,

ibtJv

THE MOTT PATTERN SHOP,

DESIGNING, MECHANICAL DRAWING, MODELS,

M. A. SCOTT, Proprietor. C. C. scott, Manager.

TELEPHONE8i^f^VJ.%4. -5 R. REPLACE, NEWARK, N. J. -

£>a £vt-WAj

iff—

//-??

A 2^ W

\ i /

[ON BACK OF PRECEDING PAGE]

,4s^ H-Uw.

Q-yw.C u/y/w/ft/j '/. At/tr;

CfrrtuMr,^. -J^tZcr

' m.a;,^,„.^. a*.#,****

V/,,,/?/, >,■/?. December 16, 1899.

W. S. Uallory, Esq.,

Sec’y Edison-Saunders Compressed Air Co.,

Orange, N..T.

Dear Sir,-

We enclose herewith the following assignments: William 1. Saunders to E.S.C.A.Co. of his half in¬ terest in U.S . patent 486,411.

Ingersoll-Sergeant Drill Co. to E.S.C.A. Co. of its half interest in same patent.

Thomas A. Edison to E.S.C.A.Co. of his application Serial No. 706,976 filed February 27, 1899.

These assignments have been duly recorded in the Patent Office. Kindly acknowledge receipt, and oblige, Yours truly, - r

(W.P.)

(Enclosures)

[ENCLOSURE]

WHEREAS, I, WILLIAM L. SAUNDERS , of New York City, Rnjthe County and state of New York, am the owner of an un- jjivid0d ona"half interest in and to Letters Patent of the £ Fnited Statfls No‘ 486,411, granted November 15th, 1892, upon |an invention relating to a Method of Increasing the Effi¬ ciency of Motor Fluids; and

WHEREAS, EDISON-SAUNDERS COMPRESSED AIR COMPANY, a II corporation organized and existing under the laws of the State of New Jersey and having its principal place of busi¬ ness at West Orange in the County of Essex in said State,

!/ is desirous of acquiring all my rieht, title and interest in and to the said Letters Patent and the invention covered thereby;

NOW, THEREFORE, to all whom it may concern, be it i that, for and in consideration of the sum of One Dol¬ lar, to me in hand paid, the receipt of which is hereby ack¬ nowledged, and other valuable considerations, I, the said William. L. Saunders, have sold, assigned and transferred, knd by these presents do sell, assign and transfer, unto fche said Edison-Saunders Compressed Air Company, its succes¬ sors and assigns, all my right, title and interest in and J/T° the aferesaid otters Patent and the invention covered thereby; the same to be held and enjoyed by the said Edison jSaunders Compressed Air Company, its successors and assigns | th6 ful1 and of tha te™ for which said Letters Patent > .or may be granted, as fully and entirely as t>he same would . have been held by me had this assignment and sale not Jpeen made.

IN WITNESS WHEREOF I have hereunto set my band and

[ENCLOSURE]

j affixed my seal, this 24th day of April , 1899. |I» the pmn... on 4&^~X/S _

t/ state of New York, :

— Jss:

| County of New York.:

On thiy4w^-day ofxfeja^r^-y 1899, before me, a

I Notary Public within and for the County of Kings, Certifi¬ cate filed in New York County, personally appeared William 1. Saunders, to me known and known to me to be the person described in and who executed the foregoing assignment and acknowledged to me that he executed the same for the purpos¬ es therein mentioned.

KINGS CO., /

V

[ENCLOSURE]

y 63939

, &	THE INGERSOLL-SARGENT DRIljf COMPANY,
	-to-
	EDISON-SAUNDERS COMPRESSED AIR'' COMPANY.
	assignment.
SEE RECORD STAMP INSIDE.-; I
T.':y , p . ? :• ; .	:-ti !•
'; V: :; ;	Byer.Edmonds ^Dyer Attorneys at Law, ’ 3LMassau St., 1 1

[ENCLOSURE]

, | WHEREAS the undersigned, THE INGERS OLL- SERGEANT DRILj} ^0|iPAHY, a corporation organized and existing under the laws of the State of West Virginia and having a place of business in the City of Hew York, County and State of New York, i^ the owner by assignment of an undivided one-half interest in and to Letters Patent of . the United States No'. 486,411, granted November 15th, 1892, upon an invention relating to Method of Increasing the Efficiency of Motor Fluids; and

WHEREAS, ED ISON-SAUNDERS COMPRESSED AIR (coMPANY, a [corporation organized and existing un^er the laws of the

State of New Jersey and having its principal place of busi¬ ness at West Orange, in the County of Essex in said State, is desirous of acquiring said undivided one-half interest in and to said Letters Patent and the invention covered thereby;

NOW, THEREFORE, to all whom it may concern, be it known, that, for and in consideration of the sum of One Dol- Lar, to it in hand pa.id, receipt of which is hereby ack- lowledged, and other valuable considerations, the said The Ingersoll-Sergeant Drill Company has sold, assigned and [/transferred, and by these presents does sell, assign and transfer,, unto the said Edison-Saunders Compressed Air Com¬ pany, its successors and assigns, its entire right, title md interest in and to the said Letters Patent and the in¬ dention covered thereby; the same to be held and enjoyed by ;he said Edison-Saunders Compressed Air Company, its suc- sessors and assigns, to the full end of the term for which said Letters Patent are or, may be granted, as fully and en- Sirely as the same would have been held and enjoyed by said •he Ingersoll-Sergeant Drill Company, had this assignment and sale not been made.

[ENCLOSURE]

IN WITNESS WHEREOF, the said The Inge rsc^ll -Serge ant

I Drill Company has caused these presents to be executed and its corporate seal affixed thereto, this 24th day of April , 1899, by its Vice-President and Secretary thereunto duly authorized.

THE ING EfiSOLL-SEriG EAL'T RCiL.LCO,

(Attest: _

“ "■ ‘ Yice-Pi'ea’t.

IS tat e of New York,

County of New York.

On this yL<S- day or f 1899> before

10 ' a Notary Public within and for the County of Kings," cer- SllBd ln NeW Yt>rk County» Personally appeared . r to me known, and who acknowledged that he

Es the Secretary and that William 1. Saunders is the Vice^ resident of. The Ingersoll-Sergeant Drill Company, and that le foregoing assignment was executed by authority of the jard of Directors of said Compaq

[ENCLOSURE]

1 . v' : . ^ 63939 . >	_ - . (7^ 2^- 5.J-! - . -.- . . ?*f . -\|
’ ^	THOMS k. EDISON, -to- [
	COMPANY^
	A S S I SI M E N T’ V i
SEE RECORD STAMP INSIDE;
t.-?/ » s Sc-Ay- '■ /tetr'-efifriK' / >; . »f
m
Li ;	" ; Dyer, Edmonds 8c Dyer,
_ _ _ . i	31 NasLuSt!*’

[ENCLOSURE]

3 n||

il

\\ j 'H

IHn

3

d . S-j/ <?

|g 2 WHEREAS, I, THOMAS A. EDISON, of Llewellyn Park, in J§h<? County of Essex and 'State of New Jersey, have invented F certain new and useful IMPROVEMENT IN THE METHOD OP AND pUpPARATUS POR REHEATING COMPRESSED AIR POR INDUSTRIAL PUR¬ POSES, for which I filed an application for Letters Patent of the United States on' the 27tH‘ day of February, 1899, Ser¬ ial No. 706,976; and

WHEREAS, EDISON-SAUNDERS COMPRESSED AIR COMPANY, a corporation organized and existing under the laws of the

IState of New Jersey and having its principal place of busi¬ ness at West Orange, in the County of Essex in said State, is desirous of acquiring my entire right, title and interest in and to said invention and in and to the Letters Patent to bo obtained therefor;

| NOW, THEREFORE, to all whom it may concern, be it

Iknown that, for and in consideration of the sum of One Dol¬ lar, to me in hand paid, receipt of which is hereby ack¬ nowledged, and other valuable considerations, I, the said Thomas A. Edison, have sold, assigned and transferred, and by these presents do sell, assign and transfer, unto the said Edison-Saunders Compressed Air Company, its successors and y assigns, my entire right, title and interest in and to the said invention and the application for Letters Patent re¬ ferred to, and all my right, title and interest in and to any Letters Patent of the United States that may be granted therefor; . and I hereby^authorize and request the Commis¬ sioner of Patents to issue such Letters Patent to the said Edison-Saunders Compressed Air Company, its successors and assigns, as my assignee.

IN WITNESS WHEREOF, I have hereunto set my hand and

[ENCLOSURE]

December 81. 1899.

V7. S. Mallory Bsq.,

C/o Thomas A. Edison Bsq., Orange,

HE W JERSEY.

Dear Mr. Mallory,

You will remember that in connection wifli the re-heater we discussed the ubs of flexible metallic tubing. X enclose sbme circulars of the flexible tubing ,which is used here successfully. Please 'shovr these to Mr. Ediron and I will take the matter up further with you on my return.

Yours faithfully.

[ATTACHMENT]

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1899. Electric Light (D-99-11)

This folder contains correspondence and other documents relating to electric lighting and power. Included are items attesting to Edison's continued relations with the General Electric Co. and the Edison Electric Illuminating Co. of New York.

Only three documents have been selected. The items not selected consist of notices regarding the bylaws and stock of the Edison Electric Illuminating Co. of New York as well as unsolicited or routine correspondence concerning electric meters and central stations.

m 'vy

.

Referring to Utter No..

New York, February 18, 1899.

Thomas A. Edison, Esq.,

Orange, N. J.

Dear Sir:-

In view of the pending change of/^wnership of the majority of the capital stock of this Company, it j/L suggested, at the mooting of the Board of Directors held Februa»Vl6th. , that the Secretary prepare a form of resignation for th/officers and directors and for¬ ward for signature. It is unders^od that these resignations will be handed to Mr. Peabody for use ij/the event that the proposed transfer of control is consummated.

In accordance therewith, I beg to hand you the enclosed form- jesignation and ask th/t you sign it and return in 'the enclosed stat|ped envelope.

Yours respectfully, (

ftiMtuttJZ ?V«i /yrtnA /..%/„■.

-3)yw;( h/m/mu/i fc.^yrr'

&r/t:n/ 6rr/./.JK/\ Tfe^.^VJfeir

' .sy.y(^.^«4

!^v// Sept . 22

A . -

C>. Sept . 22V 1899.

j\ • ^/y

l?

tii L

J . 3? . Randolph , Esq . ,

Edison laboratory.

Orange, H.J.

Dear Mr. Randolph, ~

X send you correspondence with regard to the titll to two of Mr. Edison's patents. I don't know anything about this matter, and thinking that you may, I send the papers to you. Kindly return the correspondence with your reply.

Yougs^ve rq truly

(R.N.D.)

(Enclosure)

[ENCLOSURE]

FISH, RICHARDSON & STORROW, COUNSELLORS AT LAW,

40 WATER STREET, BOSTON. 80 BROADWAY, NEW YORK.

NEW YORK, September 20,99,

Richard N. Dyer, Esq.,

31 Nassau Street, New York.

My dear Mr. Dyer:

I enclose a letter from Davi s to which a copy of one from Meadoworoft is attached. You have followed the title to Edison patents and can probably tell me at onoe whether the General Electric Company should have the two to which this cor¬ respondence relates. Please return the enclosed.

Yours very truly,

dpT-Pt ,

[ENCLOSURE]

July 11, 1899.

F. P. Fish, Esq.,

New York City,

Dear sir:

I enclose herewith a copy of a letter from Mr. Meadow- croft, relating to patents of Mr. Edison, which, apparently, should belong to us. These patents do not seem to be very im¬ portant at present, but, obviously, it would be well to have them assigned to us, if such an assignment is proper.

agd/cih Enclosure .

Yours truly.

[ENCLOSURE]

Harrison, N.J., July

Albert G. Davis, Esq.,

Pat ent Dept .

General Electric Co.,

Schenectacfr , u.Y.

Dear sir:

Referring once more to the two Edison patents No . v470, 924 and No. ^34,208, I would say that I went to the office of Messrs. Eaton & Lewis, and looked over a lot of ‘he old papers there relat¬ ing to assignments of patents, in connection with which I did some work for Messrs. Eaton & lewis between 1892 and 1896.

The old contracts between Mr. Edison and the Edison Electric light Company called for an assignment by him to the company of all inventions covering electric lighting generally, made by him up to January 12th, 1886, and for a further period of three years from November 25th, 1887, of inventions relating to incendescent lamps and their manufacture.

The Edison General Electric Company made an agreement with Mr. Edison October 1st, 1890, known as the "laboratory A- greement", under which his subsequent indentions for a stated pe¬ riod were to be assigned to the Edison General Electric Company. '

Up to the early part of 1896, so far as I know, there had been no agreement covering Mr. Edison's general electric light inventions for the period between January 12th, 1886, and the date of the laboratory Agreement, October 1st, 1890.

[ENCLOSURE]

A short tine prior to March 1st, 1896, Major Eaton had been given to understand that a new contract had been arranged by Mr, Eish between Mr. Edison and the General Electric Company cover¬ ing all his inventions during this open period, and an asagnment of such patents as had then been issued' was sent by Major Eaton to Mr. Edison for execution, but so far as I can ascertain, it was never returned.

As I recollent it, there waa quite considerable dis¬ cussion between the Officers and Counsel of the Company on this matter at the time, and it was thought very desirable to cover this open period by some arrangement with Mr. Edison, and my impression is that there was some kind of a general settlement with him under the laboratory Agreement, and that the assignment of inventions during this open period was arranged for.

The two patents above named belong to -the open period above referred to, taking the date of filing the application as the date of the invention. The application for patent No.

470,924 was filed September 30th, 1887, and for patent No. 534,208, on May 2, 1888.

Hi. boat thing I cm anggeet at present i. that yon m„. nicat. rtth Mr. Plan and an* ]lim u „ „ ^ ^ ^ ^ .

abor. named arrangement „„ „,d. ,ith ^ „ So ^ ^

, W“’ patents coma be prepared and to

Mr. Edison for his execution.

If I can te of further qssistance in the matter, please command me.

Very truly yours.

W. H. Meadowcroft Secy/

1899. Fort Myers (D-99-12)

This folder contains correspondence and other documents relating to Edison's home and property at Fort Myers, Florida. Included are items pertaining to the repair, shingling, and painting of the house, and an undated memorandum regarding a steamship and railroad freight route to Fort Myers.

All of the documents have been selected.

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