[X128B054], Technical Note, John F Ott, Thomas Alva Edison, September 12th, 1886
https://edisondigital.rutgers.edu/document/X128B054
CSV: Metadata
Metadata
- Title
- [X128B054], Technical Note, John F Ott, Thomas Alva Edison, September 12th, 1886
- Editor's Notes
- drawing "Combination call and receiver for Telephone, or District call. The leaver to be raised up and lowered when sending a signall or call, and lowered when receiving, to bring steel magnet in contact with Iron core and not let ball rest on diaphragm, only when finished."
- Date
- 1886-09-12
- Type
- Technical Note
- Subject
- Telephone
- Folder ID
- X128B-F
- Document ID
- X128B054
- Rights
- Charles Hummel
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- License
- CC0 1.0 Universal
- Item sets
- [X128B-F] John F. Ott Notebook