Url
	https://edisondigital.rutgers.edu/document/D7801B7A
Resource class
	dctype:Text
Title
	[D7801B7A], Letter from Hector Orr to Thomas Alva Edison, June 6th, 1878
Creator
	Orr, Hector
Subject
	Microphone and other acoustic devices
Publisher
	Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Date
	1878-06-06
Type
	Letter
Identifier
	D7801B7A
Source
	15:120
Rights
	Thomas Edison National Historical Park
Date Created
	1878-06-06
Has Version
	https://archive.org/details/edisonmicrofilm15/page/n128/mode/1up Archive.org Viewer, Microfilm Series Reel 15
Is Part Of
	D7801-F
Recipient
	Edison, Thomas Alva
Uri
	https://edisondigital.rutgers.edu/document/D7801B7A https://edisondigital.rutgers.edu/document/D7801B7A

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