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[D7829ZAL], Letter from Samuel D Stewart to Thomas Alva Edison, March 27th, 1878

Title: [D7829ZAL], Letter from Samuel D Stewart to Thomas Alva Edison, March 27th, 1878
Editor's Notes: Encloses sheet of rubber for use as a phonograph diaphragm -- TAE marg: "Yours received I have tried rubber like what you send in various thicknesses and degree of vulcanization but it doesn't answer"
Author: Stewart, Samuel D
Recipient: Edison, Thomas Alva
Date: 1878-03-27
Type: Letter
Subject: Cellulose, resins, rubber, and related products; Cylinder phonograph
Folder ID: D7829-F
Microfilm ID: 18:964
Document ID: D7829ZAL
URL: https://edisondigital.rutgers.edu/document/D7829ZAL
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 18

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