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[MF21AP], Letter from Submarine Signal Co to Thomas Alva Edison, November 13th, 1917

Title: [MF21AP], Letter from Submarine Signal Co to Thomas Alva Edison, November 13th, 1917
Author: Submarine Signal Co
Recipient: Edison, Thomas Alva
Mentioned: Fessenden, Reginald Aubrey; Knierim, William H
Date: 1917-11-13
Type: Letter
Subject: Sound and acoustics
Folder ID: MF21-F
Microfilm ID: 279:447
Document ID: MF21AP
URL: https://edisondigital.rutgers.edu/document/MF21AP
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 279