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[MBLB1267], Letter from Charles Batchelor to Bergmann & Co, April 20th, 1878

Title: [MBLB1267], Letter from Charles Batchelor to Bergmann & Co, April 20th, 1878
Author: Batchelor, Charles
Recipient: Bergmann & Co
Date: 1878-04-20
Type: Letter
Subject: Testing and quality control; Cylinder phonograph
Folder ID: MBLB1-F
Microfilm ID: 93:191
Document ID: MBLB1267
URL: https://edisondigital.rutgers.edu/document/MBLB1267
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 93
License: CC0 1.0 Universal