Salter letter scale

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Description (Brief)
A small spring scale, used to weigh letters, marked D and OZ. The mechanism and its housing are made of metal, possibly aluminum. The front piece on which the scale is printed is made of cream celluloid.
Location
Currently not on view
Physical Description
cellulose nitrate (scale material)
metal (overall material)
Measurements
overall: 11 cm x 2.5 cm x .7 cm; 4 5/16 in x in x 1/4 in
overall: 3 7/8 in x 1 in x 3/8 in; 9.8425 cm x 2.54 cm x .9525 cm
ID Number
2006.0098.1619
catalog number
2006.0098.1619
accession number
2006.0098
See more items in
Medicine and Science: Chemistry
Measuring & Mapping
Work
Celluloid
Data Source
National Museum of American History, Kenneth E. Behring Center

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