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[MBN002044A], Technical Note, Charles Batchelor, September 1st, 1877

Title: [MBN002044A], Technical Note, Charles Batchelor, September 1st, 1877
Editor's Notes: Finished today a pair of Speaking telegraph instruments made with flat handles at right angles to the axis of barrel part of above instruments" [24 Aug drawings]
Author: Batchelor, Charles
Date: 1877-09-01
Type: Technical Note
Subject: Telephone
Folder ID: MBN002-F
Microfilm ID: 90:679
Document ID: MBN002044A
URL: https://edisondigital.rutgers.edu/document/MBN002044A
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 90