Query: Hamilton Manufacturing Company (Lowell, Mass.).
Archives Center, National Museum of American History

Calculations

Archives Center, National Museum of American History

Finding aid

Archives Center, National Museum of American History

Passports and Naturalization Certificate

Archives Center, National Museum of American History

Leffel Engines and Boilers, Catalog 68

Archives Center, National Museum of American History

Warshaw Subject Category: Railroads

Archives Center, National Museum of American History

Finding aid

Archives Center, National Museum of American History

U.S. Steel Corporation Photograph Albums

Archives Center, National Museum of American History

Warshaw Subject Category: Patent Medicines

Archives Center, National Museum of American History

Parke, Davis Research Laboratory Records: 1902-1950.

Archives Center, National Museum of American History

Finding aid

National Air and Space Museum Archives

Fairchild Industries, Inc. collection

Archives Center, National Museum of American History

George H. Clark Radioana Collection

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