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Archival Description

1 result retrieved for 595437
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Drawing for an Improvement in Telegraphy, 03/07/1876 - 03/07/1876

ARC Identifier 595437 / MLR Number A1 9-E

Item from Record Group 241: Records of the Patent and Trademark Office, 1836 - 1978

Details | Scope & Content | Archived Copies | Digital Copies | Hierarchy |
Creator(s):Department of Commerce. Patent and Trademark Office. (1975 - )
Type(s) of Archival Materials:Architectural and Engineering Drawings

National Archives at College Park - Textual Reference (Civilian) (RD-DC-2-CIV), National Archives at College Park, 8601 Adelphi Road, College Park, MD, 20740-6001. PHONE: 301-837-3510; FAX: 301-837-1752; EMAIL:

Coverage Dates:03/07/1876 - 03/07/1876
Date Note:The coverage date is the patent date.
Part Of:File Unit: 174465 - Improvement in Telegraphy - Alexander Graham Bell, 01/20/1870 - 12/06/1926

MLR Number: A1 9-E
Access Restriction(s):Unrestricted
Use Restriction(s):Unrestricted
Specific Records Type(s):Patent drawings
Variant Control Number(s):Agency-Assigned Identifier: 174,465
This is the patent number.
HMS Record Entry ID: HD1-99302687
Other Identifier: 05927
This is the NARA Internal Exhibit Tracking Number for the Public Vaults exhibit.
Search Identifier: siLearning Center
Search Identifier: siNational History Standard Era 6
Index Terms:
  • Subjects Represented in the Archival Material:



The U.S. National Archives and Records Administration
8601 Adelphi Road, College Park, MD 20740-6001
Telephone: 1-86-NARA-NARA or 1-866-272-6272