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[NM011F], Technical Note, Charles Batchelor, December 18th, 1875

Title: [NM011F], Technical Note, Charles Batchelor, December 18th, 1875
Author: Batchelor, Charles
Date: 1875-12-18
Type: Technical Note
Subject: Multiple telegraphy (duplex, quadruplex)
Folder ID: NM011-F
Microfilm ID: 6:423
Document ID: NM011F
URL: https://edisondigital.rutgers.edu/document/NM011F
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 6
License: CC0 1.0 Universal