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[N080045], Technical Note, Charles Batchelor, July 7th, 1879

Title: [N080045], Technical Note, Charles Batchelor, July 7th, 1879
Editor's Notes: Edison telephone. At 2pm July 4th Edison and Batchelor were experimenting on chalks and put away on shelf 2 chalks for test, describes chalks (see p. 49); fr. 508-9 July 9-10 and 16 results; fr. 510-11 is more with 2 chalks and results from July 9-10
Author: Batchelor, Charles
Mentioned: Edison, Thomas Alva
Date: 1879-07-07
Type: Technical Note
Subject: Metals and minerals; Telephone
Folder ID: N080-F
Microfilm ID: 35:507
Document ID: N080045
URL: https://edisondigital.rutgers.edu/document/N080045
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 35

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