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This a microbalance in wood case with glass panels. The balance is brass; the pans are nickel; the indicator is ivory. The inscriptions on a small brass circle reads “G. P. KELLER / MAKER" and "SALT LAKE CITY / UTAH U.S.A.” There are three boxes of weights. One is marked "no. 175-B / WM. AINSWORTH & SONS / DEVER, COLO. U.S.A." One has a paper tag reading "E. O. Leonard."
Object Name
date made
around 1920
place made
United States: Utah, Salt Lake City
Physical Description
glass (overall material)
wood (overall material)
overall: 34.3 cm x 13.9 cm x 15.8 cm; 13 1/2 in x 5 1/2 in x 6 1/4 in
ID Number
catalog number
accession number
Credit Line
Gift of June W. Leonard
Weights & Measures
See more items in
Medicine and Science: Chemistry
Data Source
National Museum of American History
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