National Museum of American History

This compass–with six needles, and a flat card with central buoyancy–was Ritchie’s most successful design and was widely used by American merchant ships and the U.S. Navy. The Ritchie ledgers, now held by Ritchie Navigation, indicate that this example was manufactured on Jan.

National Museum of African American History and Culture

National Museum of American History

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Smithsonian National Museum of American History

Smithsonian National Museum of American History - Cinnabar

Explore Who We Are at the National Museum of American History

Smithsonian National Museum of American History Renovation by SOM

Smithsonian National Museum of American History - Cinnabar

National Museum of American History Public…

The Smithsonian National Museum of American History Semi

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Smithsonian National Museum of American History – Adventures of