Magic-Brain Calculator

Description:

This adder has a red plastic back and a gray steel front. There are six columns for entering numbers with a stylus, and a seventh notched band to record carries to a seventh digit. A set of seven openings above the bracket-shaped columns of the adder displays the result. A zeroing bar is across the top. The plastic is shaped to hold the steel stylus.

The object is marked: MAGIC-BRAIN [/] CALCULATOR; ADD + [/] SUBTRACT - [/] MULTIPLY X; and: JAPAN. Instructions are stored separately. Compare to 1987.0375.01.

References: Popular Science, February, 1962, vol. 180, p. 20. This ad indicates that the Magic-Brain Calculator cost $.98 and was distributed from the Sunset Building, Beverly Hills, California.

P. Kidwell, “Adders Made and Used in the United States,” Rittenhouse, 8, (1994): pp. 78-96.

Date Made: 1960

Distributor: Sunset House

Location: Currently not on view

Place Made: JapanPlace Distributed: United States: California, Beverly Hills

Subject: Mathematics

Subject:

See more items in: Medicine and Science: Mathematics, Adder, Science & Mathematics

Exhibition:

Exhibition Location:

Data Source: National Museum of American History

Id Number: 1993.3058.01Nonaccession Number: 1993.3058Catalog Number: 1993.3058.01

Object Name: adder

Physical Description: plastic (overall material)steel (overall material)Measurements: overall: 1 cm x 7 cm x 14.4 cm; 13/32 in x 2 3/4 in x 5 21/32 in

Guid: http://n2t.net/ark:/65665/ng49ca746a5-032d-704b-e053-15f76fa0b4fa

Record Id: nmah_690276

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