APF Mark 1920 Handheld Electronic Calculator

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APF Mark 1920 Handheld Electronic Calculator
APF Mark 1920 Handheld Electronic Calculator
APF Mark 1920 Handheld Electronic Calculator, Back View
Description:

This brown- and gold-colored handheld electronic calculator has an array of twenty-five rectangualr plastic keys. These include ten white plastic digit keys; a white decimal point key; keys for the four arithmetic functions, percentage, and square roots; a clear entry/clear key; an equals key; and five memory keys. The off key is in the upper left corner of the keyboard. Behind the keyboard is an eight-digit liquid crystal display. A mark below the keyboard reads: aPF MARK 1920 (/) AUTO SHUT OFF.

A mark printed on the back reads: aPF MARK 1920 (/) LIQUID CRYSTAL CALCULATOR (/) RATING: DC 3V 0.2 MW (/) (1.5V BATTERY x 2) (/) (SILVER OXIDE G13 x 2) (/) APF ELECTRONICS INC (/) NEW YORK, N. Y. 10022 (/) HONG KONG. A further mark, partly obscured, reads: SERIAL NO 5[. . .]54.

The calculator fits in a plastic jacket which has been mended with red duct tape.

A 1980 advertisement lists the APF Mark 1920 as regularly priced at $14.99 and on sale for $11.97.

Reference:

Chicago Tribune, August 27, 1980, p. F6.

Date Made: ca 1980

Maker: APF Electronics

Location: Currently not on view

Place Made: China: Hong Kong

See more items in: Medicine and Science: Computers, Computers & Business Machines, Handheld Electronic Calculators

Exhibition:

Exhibition Location:

Credit Line: Gift of John B. Priser

Data Source: National Museum of American History

Id Number: 1987.0435.29Accession Number: 1987.0435Catalog Number: 1987.0435.29

Object Name: electronic calculator

Physical Description: metal (case; screws material)plastic (keys; edges; case material)Measurements: overall: 3/8 in x 2 3/8 in x 3 7/8 in; .9525 cm x 6.0325 cm x 9.8425 cm

Metadata Usage: CC0

Guid: http://n2t.net/ark:/65665/ng49ca746a0-eba5-704b-e053-15f76fa0b4fa

Record Id: nmah_214353

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