Craig 4507 Handheld Electronic Calculator
date: label: date made
content: 1973-1974
name: label: maker
content: Bowmar/Ali
label: distributor
content: Craig Corporation
notes: label: Description
content: This handheld electronic calculator has a gray and black plastic case, with a plastic display window and square black plastic keys. It has an array of nine digit keys above the zero and decimal bars. Four keys for arithmetic functions are right of these. At the top are a percentage key, a total key, a clear key, and an on/off switch. Behind this is a red eight-digit LED display. A mark at the top reads: CRAIG.
label: Description
content: A socket for a power cord is on the right side. This example lacks a cord. The keys are loose.
label: Description
content: An "OPERATING OUTLINE" on a tag on the back of the case gives instructions. It reads at the bottom: CRAIG 4507 SER. 112426 (/) CRAIG CORPORATION CRAMPTON, CALIFORNIA 90720 (/) MADE IN U.S.A. PATENT PENDING.
label: Description
content: Four screws hold the back of the case to the front. The calculator has a battery compartment at the top of the back. A mark in plastic on the back of the lid reads: C905-051. A stamp on the back of the lid reads: 077418.
label: Description
content: Compare the Bowmar 90506, 1986.0988.0105. That calculator has the same array of keys but keys are a different shape and there is no battery pack.
label: Description
content: Bowmar/Ali manufactured this calculator and Craig Corporation sold it.
label: Description
content: References:
label: Description
content: Guy Ball and Bruce Flamm, <I>The Complete Collector’s Guide to Pocket Calculators</I>, Tustin, CA: Wilson/Barnett, 1997, p. 63.
label: Description
content: <I>Chicago Tribune</I>, November 29, 1973, p. A16. Advertised as on sale for $69.99, with a regular price of $159.95. Said to be the same calculator as the Bowmar MX-50.
label: Description
content: <I>Los Angeles Times</I>, January 16, 1974, p. A28. Advertised as on sale for $69.99.
label: Description
content: <I>Los Angeles Times</I>, April 12, 1974, p. OC_B6. Advertised as on sale for $69.99.
label: Location
content: Currently not on view
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: 1986.0988.311
label: catalog number
content: 1986.0988.311
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: plastic (case; display window; keys material)
label: Physical Description
content: metal (circuitry material)
label: Measurements
content: overall: 1 1/2 in x 3 in x 5 3/4 in; 3.81 cm x 7.62 cm x 14.605 cm