Victor Tallymate Desktop Electronic Calculator, Model 85
date: label: date made
content: ca 1973
name: label: maker
content: Victor Comptometer Corporation
notes: label: Description
content: This four-function desktop electronic calculator has a turquoise plastic case with plastic keys in two shades of the same color. The keyboard has an array of nine digit keys with a zero bar and a decimal point key below these. Above the digit keys are clear entry, clear all, and subtraction keys. On the right is a division key and bars for multiplication and addition. Switches behind the keyboard turn the device on or off and determine the position of the decimal point in result. Behind the switches is an eight-digit display. Behind these is a battery indicator as well as two warning lights, one labeled OFL (for overflow) and the other NEG (for negative numbers).
label: Description
content: A case for six AA batteries is on the bottom of the machine. No batteries are present. A jack for a power adapter or cord is at the back, but the adapter is not present.
label: Description
content: A mark on the front reads: VICTOR (/) tallymate. A tag in the bottom gives instructions for using the calculator. It reads in part: MODEL – 85 (/) SERIAL NO. 059311 (/) MADE IN JAPAN (/) FOR VICTOR COMPTOMETER BUSINESS MACHINES DIVISION (/) CHICAGO ILLINOIS 60618.
label: Description
content: According to the website of Victor Technology, the successor firm to Victor Comptometer, the calculator has a MOS-LSI calculator chip (the TMS0105) from Texas Instruments, and a vacuum fluorescent display module from ISE (DP88F). It was introduced in 1972. A newspaper advertisement from late 1973 gives a price of $79.95. Another ad, from early 1974, lists a sale price of $99.95, down from a regular price of $159.50.
label: Description
content: References:
label: Description
content: Website of Victor Technology, http://www.victortech.com/.
label: Description
content: [Advertisement], <I>Los Angeles Times</I>, December 20, 1973, p. D4.
label: Description
content: [Advertisement], <I>New York Times</I>, January 2, 1974, p. 12.
label: Location
content: Currently not on view
place: label: place made
content: Japan
topic: label: Subject
content: Business
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: Desktop 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: 1986.0988.062
label: catalog number
content: 1986.0988.062
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 (case, keys, circuit board material)
label: Physical Description
content: metal (wiring, label material)
label: Measurements
content: overall: 22.352 cm x 8.89 cm x 4.572 cm; 8 13/16 in x 3 1/2 in x 1 13/16 in