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[PA064], Article, Thomas Alva Edison, September 15th, 1874

Title: [PA064], Article, Thomas Alva Edison, September 15th, 1874
Author: Edison, Thomas Alva
Mentioned: Operator
Date: 1874-09-15
Type: Article
Subject: Metals and minerals; Multiple telegraphy (duplex, quadruplex)
Folder ID: PA2-F
Document ID: PA064
URL: https://edisondigital.rutgers.edu/document/PA064
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University