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[D7401B], Letter from Society of Telegraph Engineers (London), George E Preece to Thomas Alva Edison, September 25th, 1874

Title: [D7401B], Letter from Society of Telegraph Engineers (London), George E Preece to Thomas Alva Edison, September 25th, 1874
Author: Society of Telegraph Engineers (London); Preece, George E
Recipient: Edison, Thomas Alva
Mentioned: Scientific American
Date: 1874-09-25
Type: Letter
Subject: Multiple telegraphy (duplex, quadruplex); Electromotograph
Folder ID: D7401-F
Microfilm ID: 13:776
Document ID: D7401B
URL: https://edisondigital.rutgers.edu/document/D7401B
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 13