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[NV14015], Technical Note, Thomas Alva Edison, January 17th, 1878

Title: [NV14015], Technical Note, Thomas Alva Edison, January 17th, 1878
Editor's Notes: Steam telephone or airophone for trains
Author: Edison, Thomas Alva
Date: 1878-01-17
Type: Technical Note
Subject: Microphone and other acoustic devices
Folder ID: NV14-F
Microfilm ID: 4:162
Document ID: NV14015
URL: https://edisondigital.rutgers.edu/document/NV14015
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