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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