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[NV14073] Technical Note, March 23rd, 1878

Title: [NV14073] Technical Note, March 23rd, 1878
Editor's Notes: Thermo electric telephone with antimony and bismuth "sound waves ben junctures giving heat or rather electric waves corresponding strength to the air or sound waves"
Author: Edison, Thomas Alva
Date: 1878-03-23
Type: Technical Note
Subject: Telephone
Folder ID: NV14-F
Microfilm ID: 4:216
Document ID: NV14073
URL: https://edisondigital.rutgers.edu/document/NV14073
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