NCR Class 18-22 Electronic Calculator
date: label: date made
content: ca 1972
name: label: maker
content: Nippon Electric Co.
notes: label: Description
content: In the late 1960s and 1970s, desktop electronic calculators replaced mechanical adding and calculating machines. The Nippon Calculating Machine Corporation of Japan sold such machines under the brand name Busicom. It also supplied other firms with electronic calculators sold under other names. This is a Busicom electronic calculator sold by the Dayton, Ohio, firm of NCR.
label: Description
content: The machine has nine digit keys and a 0 bar. Clear and clear entry keys are left of the digit keys. Keys to the right of the digit keys are for the four arithmetic operations and memory access. Apparently nine or ten digit numbers may be entered, with results of up to twelve digits.
label: Description
content: A tag attached at the top reads: NCR. A tag attached to the back reads; NCR (/) Class 18-22. It also reads: THE NATIONAL CASH REGISTER COMPANY. (/) MADE IN JAPAN. It also reads: NO. 1-9940221. This serial number indicates a date of 1972.
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
label: See more items in
content: Desktop Electronic Calculators
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1987.0339.01
label: accession number
content: 1987.0339
label: catalog number
content: 1987.0339.01
objectType: label: Object Name
content: calculator
label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: plastic (case, keys material)
label: Physical Description
content: rubber (cord material)
label: Physical Description
content: metal (base material)
label: Measurements
content: overall: 3 in x 8 7/8 in x 11 in; 7.62 cm x 22.5425 cm x 27.94 cm