[LB030129], Letter from Thomas Alva Edison to U.S. Post Office Dept. Foreign Mails, May 30th, 1889
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Title
[LB030129], Letter from Thomas Alva Edison to U.S. Post Office Dept. Foreign Mails, May 30th, 1889
Editor's Notes
"I beg to advise you that on the 28th instant I shipped to the Post Office Department, Washington, the following Phonoplex Telegraphic apparatus, for transmission to the German Postal Authorities: 2 Phones; 2 Magnetic Coils; 2 Transmitters; 2 Rheostate; 2 Keys. Diagrams were also included, whoing how to connect up the instruments. ## I will shi you in a few days, 4 Condensers and 10 cells of battery, which, with the above apparatus, will consittute a complete equipment for two Phonoplex terminal stations."
Author
Recipient
Date
1889-05-30
Type
Folder/Volume ID
LB030-F
Microfilm ID
139:231
Document ID
LB030129
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University