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[N022003], Technical Note, Thomas Alva Edison, March 9th, 1879

Title: [N022003], Technical Note, Thomas Alva Edison, March 9th, 1879
Editor's Notes: try stiffer springs from diaphragm to chalk, dry chalks out, try motograph receiver on secondary coil, shunt receivers with plain resistance, shunt with magnet, wet with caustic soda water
Author: Edison, Thomas Alva
Date: 1879-03-09
Type: Technical Note
Subject: Metals and minerals; Telephone
Folder ID: N022-F
Microfilm ID: 31:4
Document ID: N022003
URL: https://edisondigital.rutgers.edu/document/N022003
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 31
License: CC0 1.0 Universal