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[N310011], Technical Note, Ezra Torrance Gilliland, Thomas Alva Edison, November 11th, 1885

Title: [N310011], Technical Note, Ezra Torrance Gilliland, Thomas Alva Edison, November 11th, 1885
Editor's Notes: drawing followed by "Telephone 1/2 distance of metallic ckts with no induction makes 4 times louder-- Receiving phones diferential as to induction currents but OK as to talking currents from Induction Coils opposite direction"
Author: Gilliland, Ezra Torrance; Edison, Thomas Alva
Date: 1885-11-11
Type: Technical Note
Subject: Telephone
Folder ID: N310-F
Microfilm ID: 42:253
Document ID: N310011
URL: https://edisondigital.rutgers.edu/document/N310011
Rights: Thomas Edison National Historical Park
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 42

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