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[D7801H], Letter from Partrick and Carter to Thomas Alva Edison, September 26th, 1878

Title: [D7801H], Letter from Partrick and Carter to Thomas Alva Edison, September 26th, 1878
Editor's Notes: Another inquiry re megaphone from London through Partrick and Carter
Author: Partrick and Carter
Recipient: Edison, Thomas Alva
Date: 1878-09-26
Type: Letter
Subject: TAE health; Microphone and other acoustic devices
Folder ID: D7801-F
Microfilm ID: 15:158
Document ID: D7801H
URL: https://edisondigital.rutgers.edu/document/D7801H
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 15