U.S. Standard Weights

Description
These cylindrical brass weights are part of a set of standards prepared by the United States government. They weigh one pound Troy, one pound, two pounds, three pounds, four pounds, five pounds, ten pounds, and twenty pounds. A knob at the top of each weight makes it easier to lift. The set also includes a weight lifter.
All the knobs are stamped with an image of an American eagle. Those in this set, except for the Troy weight, are marked: 69. A mark on the knob for the Troy weight reads: 9.
The weights fit into cavities in a velvet-lined wooden case. The amount of each weight is indicated on a paper tag attached to the base of the corresponding cavity.
The United States government began distributing weights to the states in about 1845. When the weights were transferred to the Smithsonian from the Bureau of Standards in 1929, correspondence in the files suggests that they were of the type distributed before the Civil War.
Reference:
Accession File.
Location
Currently not on view
Object Name
weight set
Object Type
Weights
date made
ca 1850
maker
United States Office of Weights and Measures
Physical Description
brass (overall material)
wood (overall material)
Measurements
2 lb. weight: 2 1/16 in x 2 1/16 in; 5.23875 cm x 5.23875 cm
2 lb. weight knob: 5/8 in; 1.5875 cm
troy weight: 1 1/2 in x 1 1/2 in; 3.81 cm x 3.81 cm
1 lb. weight knob: 7/16 in; 1.11125 cm
troy weight knob: 1/2 in; 1.27 cm
1 lb. weight: 1 5/8 in x 1 5/8 in; 4.1275 cm x 4.1275 cm
place made
United States
ID Number
CH*309590
accession number
103830
catalog number
309590
See more items in
Medicine and Science: Chemistry
Measuring & Mapping
Metric System
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Transfer from U.S. Department of Commerce Bureau of Standards

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