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[N310115], Technical Note, Thomas Alva Edison, February 12th, 1886

Title: [N310115], Technical Note, Thomas Alva Edison, February 12th, 1886
Editor's Notes: phonoplex notes and drawings
Author: Edison, Thomas Alva
Date: 1886-02-12
Type: Technical Note
Subject: Phonoplex and railroad telegraphy
Folder ID: N310-F
Microfilm ID: 42:301
Document ID: N310115
URL: https://edisondigital.rutgers.edu/document/N310115
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 42