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[D7937T], Letter from Bergmann & Co, Sigmund Bergmann to Thomas Alva Edison, March 13th, 1879

Title: [D7937T], Letter from Bergmann & Co, Sigmund Bergmann to Thomas Alva Edison, March 13th, 1879
Editor's Notes: In reply to TAE request, can send carbon phones but has no Phelps double crown. Should get that from G&S.
Author: Bergmann & Co; Bergmann, Sigmund
Recipient: Edison, Thomas Alva
Date: 1879-03-13
Type: Letter
Subject: Telephone
Folder ID: D7937-F
Microfilm ID: 52:27
Document ID: D7937T
URL: https://edisondigital.rutgers.edu/document/D7937T
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 52