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[N315173], Technical Note, Thomas Alva Edison, April 19th, 1886

Title: [N315173], Technical Note, Thomas Alva Edison, April 19th, 1886
Editor's Notes: might actually be dated April 19 as are pages that follow - drawing "Telephone receiver see which strongest end"; Supplied day
Author: Edison, Thomas Alva
Date: 1886-04-19
Type: Technical Note
Subject: Telephone; Heat and thermodynamics; Electricity and magnetism
Folder ID: N315-F
Microfilm ID: 42:1033
Document ID: N315173
URL: https://edisondigital.rutgers.edu/document/N315173
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 42