Western Auto Citation Handheld Electronic Calculator
date: label: date made
content: 1977
name: label: distributor
content: Western Auto Supply Company
label: maker
content: Texas Instruments
notes: label: Description
content: This is one of a series of handheld electronic calculators manufactured by Texas Instruments and distributed by Western Auto. It has a tan plastic case and an array of twenty-four rectangular tan keys. In addition to ten digit keys and four arithmetic function keys, there are clear entry/clear, decimal point, total, STO, RCL, pi, inverse, square, square root, and change sign keys. Behind these is an eight-digit LED display. A mark between the display and the keyboard reads: W (/) A Citation. An on/off switch is on the left side and a jacket for a battery adapter on the top edge.
label: Description
content: The back has a compartment for a battery toward the bottom. A mark below this reads: 1577 LTA. A mark in the compartment reads: TEXAS INSTRUMENTS (/) INCORPORATED (/) PAT. PEND. A mark behind the compartment reads in part: US PAT 3819921 AND OTHER PATS PENDING (/) WESTERN AUTO (/) 66-4988-3 (/) Serial No. (/) WA 0027751. Further text reads in part: Model AC 9180 Adapter available from your dealer for (/) operation on household line voltage (/) ASSEMBLED IN USA.
label: Description
content: A black plastic sleeve almost holds the calculator. A mark on the front of it reads: Sears.
label: Description
content: U.S. Patent No. 3819921 was granted to J. Kilby, J. Merryman, and J. H. Van Tassel on January 25, 1974, and assigned to Texas Instruments.
label: Description
content: Compare to 1986.0988.191.
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
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: 1987.0435.17
label: catalog number
content: 1987.0435.17
label: accession number
content: 1987.0435
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: plastic (case; keys; carrying case material)
label: Physical Description
content: metal (circuitry material)
label: Measurements
content: overall: 1 1/4 in x 2 1/2 in x 5 1/2 in; 3.175 cm x 6.35 cm x 13.97 cm