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[NS7402] Essay, c. 1874

Title: [NS7402] Essay, c. 1874
Editor's Notes: Supplied year
Author: Batchelor, Charles
Date: 1874-00-00
Type: Essay
Subject: Escapement and governor mechanisms; Telegraph; Multiple telegraphy (duplex, quadruplex); Automatic telegraphy; Miscellaneous electrical technologies
Folder ID: NS7402-F
Microfilm ID: 7:42
Document ID: NS7402
URL: https://edisondigital.rutgers.edu/document/NS7402
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 7