Bowmar 90506 Handheld Electronic Calculator
date: label: date made
content: ca 1974
name: label: maker
content: Bowmar/Ali
notes: label: Description
content: This handheld electronic calculator has a gray plastic case, display window, and 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 is 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: Bowmar.
label: Description
content: A plug for a power cord is on the right side. This example lacks a cord.
label: Description
content: An "OPERATING OUTLINE" in raised characters on the back of the case gives instructions. A tag at the bottom reads: MODEL 90506 SERIAL (/) NUMBER 126277 (/) BOWMAR/ALI Inc. Acton, Mass. 01720 U.S.A. (/) Made in U.S.A. Patent Pending
label: Description
content: Four screws hold the back of the case to the front. The case holds three circuit boards, one much smaller than the other two. The calculator has no separate battery compartment. This example lacks a battery or battery pack. A mark on the inside of the lid of the case reads: E905-020. A mark on the inside of the back of the case reads: E905-011.
label: Description
content: A Bowmar 905 (not 90506) calculator, with a percentage key but a different BOWMAR mark, was advertised in the <I>Washington Post</I> in 1973. A January 28, 1973 advertisement gives a price of $99.99.
label: Description
content: The form of the Bowmar trademark used on this calculator was registered by Bowmar Instrument Company of Fort Wayne, Indiana, on March 26, 1974. The date the mark was first used in commerce and the date of the trademark application are not given.
label: Description
content: Compare the Craig 4507, 1986.0988.311.
label: Description
content: References:
label: Description
content: <I>Washington Post</I>, January 28, 1973, p. K10.
label: Description
content: Guy Ball and Bruce Flamm, <I>The Complete Collector's Guide to Pocket Calculators</I>, Tustin CA: Wilson/Barnett 1997, pp. 35–36.
label: Description
content: Website of the U.S. Patent and Trademark Office.
label: Location
content: Currently not on view
place: label: place made
content: United States
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: 1986.0988.105
label: accession number
content: 1986.0988
label: catalog number
content: 1986.0988.105
objectType: label: Object Name
content: electronic calculator
label: Other Terms
content: electronic calculator; Handheld
physicalDescription: label: Physical Description
content: plastic (case; keys; display window; circuit boards; feet material)
label: Physical Description
content: metal (circuitry material)
label: Measurements
content: overall: 3/4 in x 3 in x 5 3/4 in; 1.905 cm x 7.62 cm x 14.605 cm