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[QCA04004], Letter from Columbus Delano, U.S. Interior Dept. Secretary to U.S. Patent Office. Commissioner, March 30th, 1875

Title: [QCA04004], Letter from Columbus Delano, U.S. Interior Dept. Secretary to U.S. Patent Office. Commissioner, March 30th, 1875
Author: U.S. Interior Dept. Secretary; Delano, Columbus
Recipient: U.S. Patent Office. Commissioner
Mentioned: Edison, Thomas Alva
Date: 1875-03-30
Type: Letter
Subject: Patent application; Multiple telegraphy (duplex, quadruplex)
Folder ID: QCA04-F
Microfilm ID: 9:60
Document ID: QCA04004
URL: https://edisondigital.rutgers.edu/document/QCA04004
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 9