[N326009], Technical Note, Ezra Torrance Gilliland, August 28th, 1886
https://edisondigital.rutgers.edu/document/N326009
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Metadata
- Title
- [N326009], Technical Note, Ezra Torrance Gilliland, August 28th, 1886
- Editor's Notes
- [drawing labeled "Double Diaphragm") "Works good but no better than standard [drawing with label "upper diaphragm connected with upper electrode] Works very well but not better than standard [drawing] Corrugated Electrode the object being to prevent the granulated material from coming away from the center of the diaphragm-- This worked splendidly and is very decidely an improvement upon the regular standard form-- further experiments will be made and a long test will be made to determine its staying qualities-- its talking qualities are superior as far as our tests have gone-- Tried powedered Feldspar coated with plumbago no results-- Tried [sage?] covered with plumbago talks about same as a hand telephone--
- Author
- Gilliland, Ezra Torrance
- Mentioned
- Ott, John F
- Date
- 1886-08-28
- Type
- Technical Note
- Subject
- Telephone
- Folder ID
- N326-F
- Microfilm ID
- 43:818
- Document ID
- N326009
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- License
- CC0 1.0 Universal
- Has Version
- Archive.org Viewer, Microfilm Series Reel 43
- Item sets
- [N326-F] N-86-08-25 (1886)