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[NV14079], Technical Note, Thomas Alva Edison, April 3rd, 1878

Title: [NV14079], Technical Note, Thomas Alva Edison, April 3rd, 1878
Editor's Notes: telephone multiple coil [pp. 79, 81]; multi carbon [p. 80]
Author: Edison, Thomas Alva
Date: 1878-04-03
Type: Technical Note
Subject: Telephone
Folder ID: NV14-F
Microfilm ID: 4:222
Document ID: NV14079
URL: https://edisondigital.rutgers.edu/document/NV14079
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