[N326007], Technical Note, Ezra Torrance Gilliland, August 27th, 1886
https://edisondigital.rutgers.edu/document/N326007
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Metadata
- Title
- [N326007], Technical Note, Ezra Torrance Gilliland, August 27th, 1886
- Editor's Notes
- continuation of telephone experiments: "manganese peroxide-- no results-- Granulated Zinc no results Zinc is very heavy and poor conductor-- treated zinc with sulphuric acid improved its conductivity somewhat but not its talking qualities-- Tried regular standard carbon with platinum scrap clippings mixed in got good results talked as well as standard transmitter Liquorice carbon made from domestic Liquorice gave [medium?] results talked about half as well as standard Tried standart carbon with platinum disc float in chamber no improvement used dozen different signs and shaped floats-- (drawing with label "float"[
- Author
- Gilliland, Ezra Torrance
- Mentioned
- Ott, John F
- Date
- 1886-08-27
- Type
- Technical Note
- Subject
- Telephone
- Folder ID
- N326-F
- Microfilm ID
- 43:816
- Document ID
- N326007
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- Has Version
- Archive.org Viewer, Microfilm Series Reel 43
- License
- CC0 1.0 Universal
- Item sets
- [N326-F] N-86-08-25 (1886)