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[W100BA2A4], Patent Application, Thomas Alva Edison, August 19th, 1874

Title: [W100BA2A4], Patent Application, Thomas Alva Edison, August 19th, 1874
Author: Edison, Thomas Alva
Mentioned: Serrell, Harold; Smith, Charles H; Pinckney, George T
Date: 1874-08-19
Type: Patent Application
Subject: Multiple telegraphy (duplex, quadruplex)
Folder ID: W100BA-F
Document ID: W100BA2A4
URL: https://edisondigital.rutgers.edu/document/W100BA2A4
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University