Rockwell 24K Handheld Electronic Calculator
date: label: date made
content: 1975-1976
name: label: maker
content: Rockwell International
notes: label: Description
content: This handheld electronic calculator has a metal case and twenty-five rectangular plastic keys. These include ten digit keys, a decimal point key, four arithmetic function keys, a total key, a % key, a change sign key, an exchange key, a square root key, and four memory keys. The on/off switch is left of the top row of keys. At the bottom of the keyboard a mark reads: the 24K. A mark below this reads: Rockwell. Above the keyboard is an eight-digit blue fluorescent display. The jack for a power adapter is along the front edge.
label: Description
content: A metal sticker that should be attached to the back reads: Rockwell (/) International (/) Model 24K (/) Made in Taiwan (/) Republic of China. It also reads: Microelectronics Product Division (/) Anaheim, CA 92803 Ser. No. (/) 101127.105.
label: Description
content: The calculator fits in a black wallet about the size of a checkbook. The wallet also contains a leaflet entitled: Rockwell Electronic Calculators Owner’s Manual for the 24K. It appears to date from 1975.
label: Description
content: Compare the Rockwell 24K II (1986.0988.164).
label: Description
content: Reference:
label: Description
content: [Advertisement], <I>Chicago Tribune</I>, December 4, 1975, p. A6. Rockwell 24K advertised as selling for $40.00.
label: Description
content: [Advertisement], <I>Los Angeles Times</I>, February 15, 1976, p. A12. Rockwell 24K advertised as selling for $40.00.
label: Location
content: Currently not on view
place: label: place made
content: Taiwan
setName: label: See more items in
content: Medicine and Science: Computers
label: See more items in
content: Computers & Business Machines
label: See more items in
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: 1986.0988.238
label: catalog number
content: 1986.0988.238
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: metal (case; circuitry material)
label: Physical Description
content: plastic (keys; wallet material)
label: Physical Description
content: paper (leaflet material)
label: Measurements
content: overall: 1/2 in x 2 3/4 in x 5 5/8 in; 1.27 cm x 6.985 cm x 14.2875 cm