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[X128B050] Technical Note, 1885-1886

Title: [X128B050] Technical Note, 1885-1886
Editor's Notes: undated phonoplex drawings; also undated drawing of Railway Tel & Tel
Mentioned: Ott, John F
Date: 1885-1886
Type: Technical Note
Subject: Phonoplex and railroad telegraphy
Folder ID: X128B-F
Document ID: X128B050
URL: https://edisondigital.rutgers.edu/document/X128B050
Rights: Charles Hummel
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University