Url
	https://edisondigital.rutgers.edu/document/W100DJ019C
Resource class
	dctype:Text
Title
	[W100DJ019C], Technical Note, Thomas Alva Edison, April 30th, 1877
Creator
	Edison, Thomas Alva
Subject
	Multiple telegraphy (duplex, quadruplex)
Publisher
	Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Date
	1877-04-30
Type
	Technical Note
Identifier
	W100DJ019C
Relation
	Phelps, George May, Jr
	Pinckney, George T
Rights
	National Archives
Date Created
	1877-04-30
Is Part Of
	W100DJ-F
Uri
	https://edisondigital.rutgers.edu/document/W100DJ019C https://edisondigital.rutgers.edu/document/W100DJ019C

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