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[NE1694275] Technical Note, September 4th, 1878

Title: [NE1694275] Technical Note, September 4th, 1878
Author: Carman, William
Date: 1878-09-04
Type: Technical Note
Subject: Carbon, coal, glass, ceramics; Multiple telegraphy (duplex, quadruplex); Miscellaneous electrical technologies
Folder ID: NE1694-F
Microfilm ID: 3:344
Document ID: NE1694275
URL: https://edisondigital.rutgers.edu/document/NE1694275
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 3