Unisonic 1541L Handheld Electronic Calculator
date: label: date made
content: ca 1979
name: label: maker
content: Unisonic
notes: label: Description
content: This handheld electronic calculator has a metal and black plastic case and an array of thirty rectangular plastic keys. These include ten digit keys, a decimal point key, a total key, four arithmetic function keys, and four memory keys. In addition the instrument has clear, clear entry, percentage, CS, and CA keys. Behind the keyboard is an eight-digit red LED display. A mark at the back reads: Unisonic 1541L. The on/off switch is on the right edge.
label: Description
content: A jack for a power adapter is along the back edge. At the top of the back is a compartment for a nine-volt battery. A sticker below it reads: SERIAL NO. (/) 031491 (/) Made in Hong Kong.
label: Description
content: According to the Vintage Calculators website, this model calculator also sold as the Prinztronic 400, the dsc CAL-0041, the Meir 880, the RJP 880, and the Texet 880 Executive.
label: Description
content: References:
label: Description
content: Calcuseum website gives date of 1978.
label: Description
content: [Advertisement], <Daily Oklahoman</I>, August 7, 1979, p. 41. Advertises calculator.
label: Description
content: Website vintagecalculators.com lists related models.
label: Location
content: Currently not on view
place: label: place made
content: China: Hong Kong
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: 1986.0988.246
label: catalog number
content: 1986.0988.246
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: plastic (case; keys material)
label: Physical Description
content: metal (case; circuitry material)
label: Physical Description
content: paper (sticker material)
label: Physical Description
content: glass (display material)
label: Measurements
content: overall: 7/8 in x 2 3/4 in x 5 1/4 in; 2.2225 cm x 6.985 cm x 13.335 cm