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[NM007190], Technical Note, Thomas Alva Edison, April 4th, 1874

Title: [NM007190], Technical Note, Thomas Alva Edison, April 4th, 1874
Author: Edison, Thomas Alva
Date: 1874-04-04
Type: Technical Note
Subject: Automatic telegraphy; Chemicals, chemical products, and chemical processes
Folder ID: NM007-F
Microfilm ID: 6:200
Document ID: NM007190
URL: https://edisondigital.rutgers.edu/document/NM007190
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 6