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[NV15174], Technical Note, Thomas Alva Edison, August 7th, 1877

Title: [NV15174], Technical Note, Thomas Alva Edison, August 7th, 1877
Editor's Notes: acoustic -- uses resonator for acoustic tuning fork but unclear
Author: Edison, Thomas Alva
Date: 1877-08-07
Type: Technical Note
Subject: Acoustic telegraphy
Folder ID: NV15-F
Microfilm ID: 4:477
Document ID: NV15174
URL: https://edisondigital.rutgers.edu/document/NV15174
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
License: CC0 1.0 Universal