Chemical Calculator

Chemical Calculator

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Description
Mason L. Farrow (1905-1984), a young chemist in Colorado, obtained a copyright on the Chemical Calculator in 1933. The Chemical Rubber Company in Cleveland, Ohio, produced and distributed the form. This example was sent to the "Cincinnati Burchers (sic) Supply Corp." in December 1935.
Location
Currently not on view
Object Name
calculator, chemical
Chemical Calculator
date made
after 1933
maker
Chemical Rubber Publishing Company
place made
United States: Ohio, Cleveland
Physical Description
paper (overall material)
Measurements
calculator: 7 1/4 in; 18.415 cm
envelope: 7 3/4 in x 7 3/4 in; 19.685 cm x 19.685 cm
overall: caculator: 7 1/4 in; 18.415 cm
overall: envelope: 7 3/4 in x 7 3/4 in; 19.685 cm x 19.685 cm
ID Number
2015.0285.03
catalog number
2015.0285.03
accession number
2015.0285
See more items in
Medicine and Science: Chemistry
Data Source
National Museum of American History
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