National Museum of American History

John H. Irwin received patent number 35,158 on May 6, 1862, of this design of a coil oil lamp.

Smithsonian National Museum of American History

Black History Month at KCC: Take a virtual tour of the National

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National Museum of American History - Objects Processing Facility

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The sad & sorry Smithsonian

National Museum of - National Museum of American History

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Weitzman National Museum of American Jewish History

Smithsonian opens new, diverse U.S. history timeline

National Museum of American History - Carltonaut's Travel Tips