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[NS7807C], Technical Note, Thomas Alva Edison, February 8th, 1878

Title: [NS7807C], Technical Note, Thomas Alva Edison, February 8th, 1878
Editor's Notes: misc diaghragm mouthpieces
Author: Edison, Thomas Alva
Date: 1878-02-08
Type: Technical Note
Subject: Cylinder phonograph
Folder ID: NS7807-F
Microfilm ID: 7:868
Document ID: NS7807C
URL: https://edisondigital.rutgers.edu/document/NS7807C
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 7