[D8547G], Letter from Alfred Berthon, Societe Generale des Telephones to Thomas Alva Edison, January 28th, 1885
https://edisondigital.rutgers.edu/document/D8547G
PDF: Archive.org
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Metadata
- Title
- [D8547G], Letter from Alfred Berthon, Societe Generale des Telephones to Thomas Alva Edison, January 28th, 1885
- Editor's Notes
- Wants TAE's views on anti-induction device for which TAE has an additional certificate to French patent dated 12/19/1877; "Have you made use of this device and have you tested it in a practical manner." Warns Edison that "Marcel Desprez and Cornelius Herz have 'reinvented' this device" and are about to seek a patent in the U.S. [MARG.: "I tried this device once only on a telephone line in which there was tremendous induction from a primary Telegh circuit. Using reverse currents succeeded in nearly stopping the induction & left the telephone business about that time & have never touched it since--E]
- Recipient
- Edison, Thomas Alva
- Mentioned
- Herz, Cornelius
- Date
- 1885-01-28
- Type
- Letter
- Folder ID
- D8547-F
- Microfilm ID
- 78:829
- Document ID
- D8547G
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- Has Version
- Archive.org Viewer, Microfilm Series Reel 78
- Item sets
- [D8547-F] (D-85-47) Telephone