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[NV11085], Technical Note, James Adams, May 7th, 1877

Title: [NV11085], Technical Note, James Adams, May 7th, 1877
Author: Adams, James
Date: 1877-05-07
Type: Technical Note
Subject: Multiple telegraphy (duplex, quadruplex); Telephone
Folder ID: NV11-F
Microfilm ID: 3:962
Document ID: NV11085
URL: https://edisondigital.rutgers.edu/document/NV11085
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