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[NV11105] Technical Note, May 26th, 1877

Title: [NV11105] Technical Note, May 26th, 1877
Editor's Notes: spkg telegh, hissing consonants key prob, frames 977, 979, 981-82; 981 is plan for keyboard-activated voice transmission w/emg; 980 is inverse
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1877-05-26
Type: Technical Note
Subject: Telephone
Folder ID: NV11-F
Microfilm ID: 3:977
Document ID: NV11105
URL: https://edisondigital.rutgers.edu/document/NV11105
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 3