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[D0231AAC], Letter from William Joseph Hammer to Thomas Alva Edison, April 26th, 1902

Title: [D0231AAC], Letter from William Joseph Hammer to Thomas Alva Edison, April 26th, 1902
Author: Hammer, William Joseph
Recipient: Edison, Thomas Alva
Mentioned: Betts, Frederic Henry; Marconi, Guglielmo
Date: 1902-04-26
Type: Letter
Subject: Patents; Wireless and radio
Folder ID: D0231-F
Microfilm ID: 187:962
Document ID: D0231AAC
URL: https://edisondigital.rutgers.edu/document/D0231AAC
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 187