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[E1956BCB], Letter from West Orange Laboratory to John J Hatke, October 30th, 1919

Title: [E1956BCB], Letter from West Orange Laboratory to John J Hatke, October 30th, 1919
Author: West Orange Laboratory
Recipient: Hatke, John J
Date: 1919-10-30
Type: Letter
Subject: Disc phonograph
Folder ID: E1956B-F
Microfilm ID: 273:408
Document ID: E1956BCB
URL: https://edisondigital.rutgers.edu/document/E1956BCB
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 273
License: CC0 1.0 Universal