Steelyard

A sliding weight moved along a marked arm until it balanced the load, and the mark showed the weight.

Date

17th century

Dimensions

overall: 7 1/2 in x 7 3/4 in x 1 3/16 in; 19.05 cm x 19.685 cm x 3.048 cm

Museum

National Museum of American History

Credit line

Gift of American Pharmaceutical Association and Bristol-Myers Squibb Company

An iron steelyard, made in the 17th century, according to the Squibb Ancient Pharmacy catalog.

The museum's own record (Smithsonian, National Museum of American History)

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