[D7838ZEW], Letter from Gold and Stock Telegraph Co, George S Ladd to Thomas Alva Edison, September 28th, 1878
https://edisondigital.rutgers.edu/document/D7838ZEW
PDF: Archive.org
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Metadata
- Title
- [D7838ZEW], Letter from Gold and Stock Telegraph Co, George S Ladd to Thomas Alva Edison, September 28th, 1878
- Editor's Notes
- of 100 carbon buttons sent about 40% ok for use, one half of those being slightly damaged, have found no difficulty in making them here [SF] by pressing powdered carbon into place in phones rather than making first in a mold, Walker writes that Phelps and Bentley find buttons made out of gas coke work well as the composition and are indestructible
- Recipient
- Edison, Thomas Alva
- Date
- 1878-09-28
- Type
- Letter
- Folder ID
- D7838-F
- Microfilm ID
- 19:772
- Document ID
- D7838ZEW
- 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 19
- Item sets
- [D7838-F] (D-78-38) Telephone -- General