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[NS7810B], Technical Note, John Kruesi, Thomas Alva Edison, August 27th, 1878

Title: [NS7810B], Technical Note, John Kruesi, Thomas Alva Edison, August 27th, 1878
Editor's Notes: tuning fork [resonator?] -- "useless drawing; Tommy plays with his blocks" RAR
Author: Kruesi, John; Edison, Thomas Alva
Date: 1878-08-27
Type: Technical Note
Subject: Telephone
Folder ID: NS7810-F
Microfilm ID: 7:899
Document ID: NS7810B
URL: https://edisondigital.rutgers.edu/document/NS7810B
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 7
License: CC0 1.0 Universal