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[D7903ZCQ], Letter from Thomas Alva Edison to Engineer, March 27th, 1879

Title: [D7903ZCQ], Letter from Thomas Alva Edison to Engineer, March 27th, 1879
Editor's Notes: "See my Telephone patent" which anticipates Hughes's induction balance, published in Engineering. "American patent has identical devices as Hughes"
Author: Edison, Thomas Alva
Recipient: Engineer
Mentioned: Hughes, David Edward
Date: 1879-03-27
Type: Letter
Subject: Patents; Telephone
Folder ID: D7903-F
Microfilm ID: 49:188
Document ID: D7903ZCQ
URL: https://edisondigital.rutgers.edu/document/D7903ZCQ
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 49