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[NS85ADB11], Technical Note, Hugh De Coursey Hamilton, April 20th, 1885

Title: [NS85ADB11], Technical Note, Hugh De Coursey Hamilton, April 20th, 1885
Editor's Notes: Some kind of telegraph - grasshopper or railroad?
Author: Hamilton, Hugh De Coursey
Mentioned: Force, Martin N; King, William T
Date: 1885-04-20
Type: Technical Note
Subject: Phonoplex and railroad telegraphy
Folder ID: NS85-F
Microfilm ID: 162:814
Document ID: NS85ADB11
URL: https://edisondigital.rutgers.edu/document/NS85ADB11
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 162
License: CC0 1.0 Universal