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[D7929ZAD], Letter from U.S. Patent Office. Commissioner to Thomas Alva Edison, March 8th, 1879

Title: [D7929ZAD], Letter from U.S. Patent Office. Commissioner to Thomas Alva Edison, March 8th, 1879
Editor's Notes: Nicholson interference (duplex) dissolved.
Author: U.S. Patent Office. Commissioner
Recipient: Edison, Thomas Alva
Mentioned: Nicholson, Henry C
Date: 1879-03-08
Type: Letter
Subject: Patent interference; Multiple telegraphy (duplex, quadruplex)
Folder ID: D7929-F
Microfilm ID: 51:426
Document ID: D7929ZAD
URL: https://edisondigital.rutgers.edu/document/D7929ZAD
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 51