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[LB005634], Letter from Thomas Alva Edison to Sigmund Bergmann, February 5th, 1880

Title: [LB005634], Letter from Thomas Alva Edison to Sigmund Bergmann, February 5th, 1880
Editor's Notes: transmitters are unsatisfactory more trouble with them than with previous ones diaphragms buckle badly no trouble with carbon button or glassses until now and have to renew at least 50%
Author: Edison, Thomas Alva
Recipient: Bergmann, Sigmund
Mentioned: Johnson, Edward Hibberd
Date: 1880-02-05
Type: Letter
Subject: International business operations; Shipping and materials handling; Telephone
Folder ID: LB005-F
Microfilm ID: 80:212
Document ID: LB005634
URL: https://edisondigital.rutgers.edu/document/LB005634
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 80

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