APF Mark 1910 Handheld Electronic Calculator
date: label: date made
content: ca 1978
name: label: maker
content: APF Electronics
notes: label: Description
content: This compact handheld electronic calculator, advertised as a "mini-calculator," has twenty-three square plastic keys and two buttons. 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 four memory keys. There are separate on and off buttons. Behind the keyboard is a liquid crystal display, advertised as showing eight digits. A mark below the keyboard reads: aPF MARK 1910.
label: Description
content: Space for two small 1.5 volt batteries is at the bottom of the back. A mark printed on the back reads: MARK 1910 (/) LIQUID CRYSTAL CALCULATOR (/) RATING: DC 3V 0.0002W (/) (1.5v BATTERY x 2) (/) APF ELECTRONICS INC> (/) NEW YORK, N. Y. 10022 (/) SERIAL NO: 2038842 (/) TAIWAN. The actual serial number is on a paper sticker on top of the rest of the mark.
label: Description
content: The case opens at the bottom to reveal two Union Carbide batteries and a green breadboard. A mark on the chip at the top of the breadboard reads: C3. A mark on the bottom right of the breadboard reads: LC4100.
label: Description
content: According to an October 1978 advertisement in the <I>Los Angeles Times</I>, the APF Mark 1910 regularly sold for $15.99 and was on sale for $12.88. A November, 1978, advertisement in the <I>Chicago Tribune</I> gives a regular price of $14.99 and a sale price of $11.88. Both advertisements show the calculator in a "billfold case." This example lacks such a case.
label: Description
content: References:
label: Description
content: <I>Chicago Tribune</I>, November 12, 1978, p. U12.
label: Description
content: <I>Los Angeles Times</I>, October 12, 1978, p. CS7.
label: Location
content: Currently not on view
place: label: place made
content: Taiwan
setName: label: See more items in
content: Medicine and Science: Computers
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content: Computers & Business Machines
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content: Handheld Electronic Calculators
creditLine: label: Credit Line
content: Gift of John B. Priser
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1986.0988.337
label: catalog number
content: 1986.0988.337
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: plastic (display; keys; circuit board material)
label: Physical Description
content: metal (case material)
label: Measurements
content: overall: 1/4 in x 2 1/4 in x 3 7/8 in; .635 cm x 5.715 cm x 9.8425 cm