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.
![](https://www.smithgroup.com/sites/default/files/2018-07/National-Museum-of-African-American-History-06.jpg)
National Museum of African American History and Culture
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Explore Who We Are at the National Museum of American History
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New Smithsonian wing shows how pop culture tells America's history
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Smithsonian National Museum of American History – Adventures of
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National Museum of African American History and Culture
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This Massachusetts house tells stories of America in Washington
![](https://nmaahc.si.edu/sites/default/files/styles/scale_crop_1920_1200/public/2021-12/Credit-AlanKarchmer_705.jpg?h=4a0aa9c1&itok=7Sxr8CRg)
A People's Journey, A Nation's Story
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National Museum of African American History and Culture
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Smithsonian Institute's National Museum of African American
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Rooftop Views ~ National Museum of American History : Design Cuisine