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[W100BA2C], Patent Application, Thomas Alva Edison, March 18th, 1875

Title: [W100BA2C], Patent Application, Thomas Alva Edison, March 18th, 1875
Author: Edison, Thomas Alva
Date: 1875-03-18
Type: Patent Application
Subject: Multiple telegraphy (duplex, quadruplex)
Folder ID: W100BA-F
Document ID: W100BA2C
URL: https://edisondigital.rutgers.edu/document/W100BA2C
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University