Collection of mousetraps one of the most patented devices in the USA at National Museum of American History. Washington, DC.

Collection of mousetraps (1850s-2000) one of the most patented devices in the USA at National Museum of American History. Washington, DC.

Collection of mousetraps (1850s-2000) one of the most patented devices in the USA at National Museum of American History. Washington, DC.
Photo by Jim Steinhart © 2013, all rights reserved. (Ref: DCMIX41)

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Smithsonian National Museum of American History, Washington, DC