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[QD012G4168], Letter from William Edward Sawyer to New York Sun, December 21st, 1879

Title: [QD012G4168], Letter from William Edward Sawyer to New York Sun, December 21st, 1879
Author: Sawyer, William Edward
Recipient: New York Sun
Mentioned: Smith, Gerritt; Edison, Thomas Alva
Date: 1879-12-21
Type: Letter
Subject: Multiple telegraphy (duplex, quadruplex); Incandescent lamp; Cylinder phonograph
Folder ID: QD012G-F
Microfilm ID: 48:596
Document ID: QD012G4168
URL: https://edisondigital.rutgers.edu/document/QD012G4168
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 48