APF Mark 61 Handheld Electronic Calculator
date: label: date made
content: ca 1977
name: label: maker
content: APF Electronics
notes: label: Description
content: This compact handheld electronic calculator has eleven white plastic keys, ten for digits and one for a decimal point. It also has four gray plastic memory keys and eight tan plastic keys. The tan keys are for arithmetic operations, square root, percentage, clear entry/clear, and equals. The display is behind the keys. A mark above it reads: aPF EXECUTIVE. Battery sealed. A hole for the adapter and recharger is on the back edge.
label: Description
content: A metal tag on the back reads: aPF EXECUTIVE (/) MODEL NO.:MARK 61 (/) D.C. 2.4 VOLTS (/) CAUTION: USE ONLY (/) A.C. ADAPTOR (/) RECHARGER MODEL 751S to OPERATE (/) ON A.C. Another mark there reads: SERIAL NO:A012559 (/) APF ELCETRONICS INC. (/) NEW YORK, N.Y. 10022 (/) MADE IN JAPAN.
label: Description
content: No advertisements have been found for this calculator. Ball and Flamm say that the calculator has a fluorescent display and cost $19.85 in 1977.
label: Description
content: Reference:
label: Description
content: Guy Ball and Bruce Flamm, <I>The Complete Collector"s Guide to Pocket Calculators</I>, Tustin CA: Wilson/Barnett,1997, p. 30.
label: Location
content: Currently not on view
place: label: place made
content: Japan
setName: label: See more items in
content: Medicine and Science: Computers
label: See more items in
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: 1986.0988.172
label: catalog number
content: 1986.0988.172
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
label: Other Terms
content: electronic calculator; Handheld
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: aluminum (overall material)
label: Measurements
content: overall: 1/2 in x 2 3/4 in x 5 1/2 in; 1.27 cm x 6.985 cm x 13.97 cm