[N203199], Technical Note, Thomas Alva Edison, October 9th, 1884
https://edisondigital.rutgers.edu/document/N203199
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Metadata
- Title
- [N203199], Technical Note, Thomas Alva Edison, October 9th, 1884
- Editor's Notes
- [In nice TAE hand; SELECTABLE] "I think I have clearly in my mind the proper theory of constructing a loud telephone & the most powerful utilization of the whole voice to produce the maximum change of resistance. It is this use a hard button of carbon crosshatched to give innumerable points have this button 2 to 4 inches in diameter resting on a hard flat metallic surface connecting with one pole [description continues, along with explanation of action] p. 201 Oct 11 "Didn't turn out so well as expected." p. 205 transmitter notes and sketches---different buttons & multiple buttons (looks like 1878 again)
- Author
- Edison, Thomas Alva
- Mentioned
- Ott, John F
- Date
- 1884-10-09
- Type
- Technical Note
- Subject
- Telephone
- Folder ID
- N203-F
- Microfilm ID
- 40:559
- Document ID
- N203199
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- Has Version
- Archive.org Viewer, Microfilm Series Reel 40
- License
- CC0 1.0 Universal