Burroughs Calculator
date: label: date made
content: 1920
name: label: maker
content: Burroughs Adding Machine Company
notes: label: Description
content: This full-keyboard printing manual machine has a metal case painted black with a green keyboard. It has nine columns of black and white plastic keys, with nine keys in each column. The odd-numbered keys are concave and the even-numbered keys are flat. Complementary digits are indicated. Ten windows at the front show the sum of numbers entered. A crank at the left zeros the digits in these windows. A single key in the upper left corner controls the numeral wheel seen through the tenth window.
label: Description
content: The machine is marked on the front, underlined: Burroughs Calculator. The serial number, on a plate on the bottom, is: 5-660768. It is marked on the back: Burroughs (/) THIS MACHINE PROTECTED BY U.S. AND FOREIGN PATENTS.
label: Description
content: Burroughs Adding Machine Company introduced the Burroughs Calculator in about 1911 to compete with the Comptometer. It sold as the Burroughs Class 5 from 1918.
label: Description
content: Compare MA.308344 and 1986.3039.01..
label: Description
content: Reference:
label: Description
content: <I>American Digest of Business Machines</I>, 1924, pp. 70, 71. This suggests that the machine is a Burroughs model 5205.
label: Location
content: Currently not on view
place: label: place made
content: United States: Michigan, Detroit
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Adding Machines
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content: Science & Mathematics
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1990.0316.04
label: accession number
content: 1990.0316
label: catalog number
content: 333873
objectType: label: Object Name
content: adding machine
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: metal (overall material)
label: Physical Description
content: rubber (overall material)
label: Measurements
content: overall: 13.7 cm x 24.8 cm x 30.2 cm; 5 13/32 in x 9 3/4 in x 11 7/8 in