The
Gizmo Game
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The
Gizmo Game
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A. A model of a coin-stamping machine designed by Leonardo da Vinci B. An "effortless" drill press designed by Benjamin Franklin C. A copy of the works from Thomas Jefferson's "automatic" dumb waiter at Monticello D. The interior mechanism from a seventeenth-century "tower" clock |
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What IS This Thing?
Big
hint: This object is in the Smithsonian's National Museum of American
History in Washington, D.C.