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[X012L2A], Technical Note, Thomas Alva Edison, March 23rd, 1877

Title: [X012L2A], Technical Note, Thomas Alva Edison, March 23rd, 1877
Author: Edison, Thomas Alva
Mentioned: Bell, Alexander Graham; Phelps, George May, Jr; Prescott, George Bartlett
Date: 1877-03-23
Type: Technical Note
Subject: Multiple telegraphy (duplex, quadruplex); Acoustic telegraphy
Folder ID: X012L2-F
Document ID: X012L2A
URL: https://edisondigital.rutgers.edu/document/X012L2A
Rights: AT&T Archives and History Center
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University

Item sets: [X012L2-F] Western Electric Manufacturing Company Records -- Technical Notes and Drawings