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[SB032012], Letter from Thomas Alva Edison to English Mechanic, July 11th, 1878

Title: [SB032012], Letter from Thomas Alva Edison to English Mechanic, July 11th, 1878
Editor's Notes: Supplied year
Author: Edison, Thomas Alva
Recipient: English Mechanic
Mentioned: Hughes, David Edward; Preece, William Henry
Date: 1878-07-11
Type: Letter
Subject: Microphone and other acoustic devices
Folder ID: SB032-F
Microfilm ID: 27:813
Document ID: SB032012
URL: https://edisondigital.rutgers.edu/document/SB032012
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 27
License: CC0 1.0 Universal