The Papers of Thomas A. Edison
From Workshop to Laboratory, June 1873-March 1876
Publication Year: 1992
Published by: The Johns Hopkins University Press
Download PDF (69.6 KB)
Title Page, Frontispiece, Copyright, Dedication
Download PDF (250.4 KB)
Download PDF (115.5 KB)
Calendar of Documents
Download PDF (610.0 KB)
List of Editorial Headnotes
Download PDF (104.2 KB)
Download PDF (304.5 KB)
...financial straits, led to public acclaim-and abuse, labyrinthinethis publication are solely those of the editors and do not nec-have contributed significantly to this project. Worthy of specialBell, and John Gillis. All of the staff of the Rutgers Universityvotion. The project editors are especially grateful for the priv-...
Chronology of Thomas A. Edison, June 1873–March 1876
Download PDF (384.5 KB)
Download PDF (189.4 KB)
...scriptions, often printed, the original having been lost. In suchonce, on the dateline, in the form in which it was first written.place. If all participants did not sign in all places, names ap-scription in the textnote is simply "X"; these by definition arei. Hawley's Condensed Chemical Dictionary, nth ed. (New York: Va...
Download PDF (77.3 KB)
List of Abbreviations
Download PDF (511.5 KB)
1 June–September 1873: (Docs. 341–364)
Download PDF (3.1 MB)
...trials), but the Post Office made no offer to purchase rights toish capitalists bought a one-fifth share of the worldwide rightscipal difficulty in his diplex. The problem was that a necessary1. They also agreed to work, on commission, as agents selling Edi-son's automatic to both submarine and overland telegraph companies or...
2 October–December 1873: (Docs. 365–389)
Download PDF (2.3 MB)
...1. Another caveat (45) was executed at the same time, but most of itwas prepared in August and it was not filed until i September 1875. See772-73). For Edison's earlier work see TAEB 1:253 n. 5, 258-59, 2654. Edison's testimony, Quad. 70.7, pp. 272-73 (TAEM 9:503); testi-mony of Edison, Charles Batchelor, Uriah Painter, Albert Chandler, and...
3 January–March 1874: (Docs. 390–417)
Download PDF (2.2 MB)
...full or partial drafts of several chapters and fragments of manyhe had built in the fall, he tried to develop a system that couldlargely from his automatic telegraph technology, as did the fire2. For his accounts of experimental work for Automatic Telegraphsee Cat. 1184:13-30, Accts. (TAEM 21:789-98); there is also a bill of...
4 April–June 1874: (Docs. 418–448)
Download PDF (2.6 MB)
...telegraph lines in order to offer significant competition to theof the metal and filed a patent application for its use as a re-2. See Doc. 522 n. 10 for a summary of these negotiations. See alsoHarrington v. A&P\ and Uriah Painter to TAE, 4 Feb. 1877, DF (TAEM3. It is possible that some experimental notes are missing, as few lab-...
5 July–September 1874: (Docs. 449–494)
Download PDF (3.9 MB)
New York office, was assigned to Prescott's office in early Sep-ley, the editor of the Telegrapher, now launched attacks on Edi-4. These financial arrangements would ultimately lead to other liti-9:591, 719-21, 724); Orton's testimony, Quad. 71.1, pp. 144-45, 155>6. Ashley's animus against Edison derived from their earlier partner-...
6 October–December 1874: (Docs. 495–524)
Download PDF (2.8 MB)
...2. Edison's quadruplex had well over one hundred possible permu-tations of current strength, current direction, and mechanical positions,and he had to anticipate several current changes during any single signal.Theoretical consideration could not guarantee success; the quadruplexrequired extensive bench and line testing. "Years later Mr. Edison re-...
7 January–March 1875: (Docs. 525–557)
Download PDF (4.1 MB)
Patent Office to reassign all his quadruplex patent applicationsof the Society of Telegraph Engineers, and the society's secretaryregular traffic.8 Edison visited the intermediate offices on the1. E. Baker Welch (on the basis of an 1869 patent assignment [Doc.61]) and George Little (on the basis of an agreement with George Har-...
8 April–June 1875: (Docs. 558–590)
Download PDF (2.2 MB)
...automatic telegraph patents for Atlantic and Pacific, laying theinstallation of his automatic system on the lines of the Atlanticto Atlantic and Pacific offices across the country, stocking ma-spite his best efforts, Atlantic and Pacific never installed anyinvestors wanted the Atlantic and Pacific stock specified in the...
9 July–September 1875: (Docs. 591–634)
Download PDF (3.3 MB)
...exploring the possibilities of acoustic telegraphy as a potentialbration of tuned reeds or metallic tongues to create rapid, reg-ular electrical pulsations. In theory, several differently tunedto dissolve their manufacturing partnership, legally ended it in2. The word "telephone" was often applied to acoustic telegraphy....
10 October–December 1875: (Docs. 635–703)
Download PDF (5.2 MB)
...assign his automatic telegraph patents—at that point still held1. Much material on Edison's early work on acoustic telegraphy waslost when the laboratory moved to Menlo Park in 1876. TI in i (TAEM3. Although Edison himself testified that the transmission of articu-late speech was not his goal at this point, patent examiner Zenas Wilber...
11 January–March 1876: (Docs. 704–737)
Download PDF (3.2 MB)
...so much as it presented the possibility of an alternative systemto be nothing but induction, in the January issue of iht Journalof the Franklin Institute. The Scientific American reprinted theBatchelor took on this role, moving into it full-time at the endacoustic instruments on the same lines, according to an undated mem-...
Appendix 1. Edison's Autobiographical Notes
Download PDF (835.8 KB)
Appendix 2. Charles Batchelor's Recollections of Edison
Download PDF (211.7 KB)
Appendix 3. The Dispute over the Quadruplex
Download PDF (1.3 MB)
Appendix 4. Edison's U.S. Patents, July 1873– March 1876
Download PDF (870.7 KB)
Download PDF (351.7 KB)
Download PDF (129.6 KB)
...484; illustration p. 120. Reproduced with permission of Dun and Brad-street and the Baker Library: Docs. 352, 448, 547, 616. Reproducedwith permission of the Rare Book and Manuscript Library, ColumbiaUniversity: Doc. 564. From the collections of the Henry Ford Museum& Greenfield Village: Docs, 349, 458, 504, 721; illustrations on pp. 25,...
Download PDF (2.3 MB)
Page Count: 896
Publication Year: 1992
Series Title: The Papers of Thomas A. Edison
Series Editor Byline: Edited by Reese V. Jenkins, et al. Robert A. Rosenberg, Managing Editor, Book Edition