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.

Smithsonian National Museum of American History Renovation by SOM

Smithsonian National Museum of American History - Cinnabar

National Museum of American History - Automotive Museum Guide

Smithsonian Museum of American History

National Museum of American History

Visit National Museum of American History

Smithsonian Institute's National Museum of African American

Historians and History Museums: Offsite Sessions at the

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