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[D7937ZAR], Letter from Thomas Alva Edison to Edward Hibberd Johnson, Sigmund Bergmann, May 16th, 1879

Title: [D7937ZAR], Letter from Thomas Alva Edison to Edward Hibberd Johnson, Sigmund Bergmann, May 16th, 1879
Editor's Notes: "We have mouthpieces all made and drilled for holes in Bergmann Telephone."
Author: Edison, Thomas Alva
Recipient: Johnson, Edward Hibberd; Bergmann, Sigmund
Date: 1879-05-16
Type: Letter
Subject: Telephone
Folder ID: D7937-F
Microfilm ID: 52:52
Document ID: D7937ZAR
URL: https://edisondigital.rutgers.edu/document/D7937ZAR
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 52