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[NV14040], Technical Note, Thomas Alva Edison, February 12th, 1878

Title: [NV14040], Technical Note, Thomas Alva Edison, February 12th, 1878
Editor's Notes: Stretched diaphragms are the things
Author: Edison, Thomas Alva
Date: 1878-02-12
Type: Technical Note
Subject: Telephone; Cylinder phonograph
Folder ID: NV14-F
Microfilm ID: 4:181
Document ID: NV14040
URL: https://edisondigital.rutgers.edu/document/NV14040
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 4