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[NV11066] Technical Note, April 19th, 1877

Title: [NV11066] Technical Note, April 19th, 1877
Editor's Notes: sexty acoustic details also pp.67, 69, 72-73, some on 16th
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1877-04-19
Type: Technical Note
Subject: Multiple telegraphy (duplex, quadruplex); Acoustic telegraphy
Folder ID: NV11-F
Microfilm ID: 3:942
Document ID: NV11066
URL: https://edisondigital.rutgers.edu/document/NV11066
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 3