Burroughs Calculator

Description:

This full-keyboard key-driven non-printing adding machine has nine columns of keys with nine keys in each column. Complementary digits are indicated on the keys. Keys for odd digits are concave, and those for even digits are flat. The machine has a metal case painted black, with the keyboard painted green. Ten windows at the front of the machine show wheels giving the result. Three decimal markers that slide above these. The zeroing lever is on the right side. There also is a key on the upper left.

A mark on the front reads: Burroughs Calculator. One on the back reads: Burroughs (/) THIS MACHINE PROTECTED BY U.S. AND FOREIGN PATENTS. A metal tag on the bottom reads: 5-898901. This is a Burroughs Class 5.

Compare 1990.0316.04.

This object was lent to the Smithsonian Institution in 1924 as an example of a current product of Burroughs Adding Machine Company. More recently Unisys Corporation transformed that loan into a gift.

Date Made: 1924

Maker: Burroughs Adding Machine Company

Location: Currently not on view

Place Made: United States: Michigan, Detroit

Subject: Mathematics

Subject:

See more items in: Medicine and Science: Mathematics, Adding Machines, Science & Mathematics

Exhibition:

Exhibition Location:

Credit Line: Gift of Unisys Corporation

Data Source: National Museum of American History

Id Number: MA.308344Maker Number: 5-898901Catalog Number: 308344Accession Number: 2011.0264

Object Name: adding machineOther Terms: adding machine; Full-Keyboard, Non-Listing, Manual

Physical Description: metal (overall material)plastic (overall material)rubber (overall material)wood (overall material)Measurements: overall: 15.3 cm x 27 cm x 30.5 cm; 6 1/32 in x 10 5/8 in x 12 in

Guid: http://n2t.net/ark:/65665/ng49ca746a5-1303-704b-e053-15f76fa0b4fa

Record Id: nmah_690197

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