The following museums are closed Saturday, July 23, due to a power outage: National Museum of the American Indian, Hirshhorn Museum, National Museum of African Art, Arthur M. Sackler Gallery, and the Ripley Center.

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Power Machinery

Power Machinery

– Permanent

American History Museum
12th and Constitution Ave., NW
Washington, DC

Location: 1st Floor, East Wing

By the late 19th century, America's Industrial Revolution was moving full steam ahead. This hall follows the development of the increasingly efficient power machinery that helped the United States become a world leader in industrial production during this time. Full-size engines and models illustrate attempts to harness atmospheric force (1660-1700), the early age of steam power (1700-1770), the development of high-pressure and high-speed engines (1800-1920). The exhibition also shows the evolution of steam boilers and the steam turbine and progress in the techniques of harnessing water power. A number of pumps, waterwheels, and historic internal combustion engines are also on view.

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