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[D7719W], Letter from Thomas B A David to Thomas Alva Edison, July 21st, 1877

Title: [D7719W], Letter from Thomas B A David to Thomas Alva Edison, July 21st, 1877
Editor's Notes: Going East tomorrow and wants to spend day with TAE testing telephone -- Many things that interfere with Bell's --
Author: David, Thomas B A
Recipient: Edison, Thomas Alva
Mentioned: Bell, Alexander Graham
Date: 1877-07-21
Type: Letter
Subject: Testing and quality control; Telephone
Folder ID: D7719-F
Microfilm ID: 14:835
Document ID: D7719W
URL: https://edisondigital.rutgers.edu/document/D7719W
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 14