Url
	https://edisondigital.rutgers.edu/document/PT005B1
Resource class
	dctype:Text
Title
	[PT005B1], Patent Specification, Thomas Alva Edison, April 9th, 1873
Creator
	Edison, Thomas Alva
Subject
	Multiple telegraphy (duplex, quadruplex)
Publisher
	Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Date
	1873-04-09
Type
	Patent Specification
Identifier
	PT005B1
Source
	8:586
Relation
	Munn & Co
	Goepel, Paul
Rights
	Thomas Edison National Historical Park
Date Created
	1873-04-09
Has Version
	https://archive.org/details/edisonmicrofilm8/page/n594/mode/1up Archive.org Viewer, Microfilm Series Reel 8
Is Part Of
	PT005B-F
Uri
	https://edisondigital.rutgers.edu/document/PT005B1 https://edisondigital.rutgers.edu/document/PT005B1

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