National Museum of American History
This brass pantograph consists of four hollow bars with rectangular cross section. These are thirty-one inches and twenty-nine inches long, with the distance from the fulcrum to the points being twenty-eight inches. The bars slide on three metal wheels.
National Museum of African American History and Culture
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Review: The National Museum of African American History and Culture - Biracial Bookworms
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Smithsonian Museum of American History
Smithsonian Museum of American History
8,584 National Museum Of American History Stock Photos, High-Res Pictures, and Images - Getty Images
Ultimate Guide To The National Museum of American History
Smithsonian names first woman to top post at American History Museum
