Sony Model MD-6 Prototype Electronic Calculator
date: label: date made
content: 1964
name: label: maker
content: Sony Corporation of America
notes: label: Description
content: This is a prototype for a non-printing desktop electronic calculator made by Sony Corporation of Japan. It has an array of nine digit keys, with a zero bar and a decimal point key below these. The keyboard also includes keys for the four arithmetic operations and an equals key. The machine also has an on/off switch, a clear key, and an “attention” light on the left and five further keys on the right. Behind is a display for the answer. The machine shows result up to ten digits long in ten tubes.
label: Description
content: A mark on the front left of the machine reads: SONY. A mark on the back reads: SONY ELECTRONIC CALCULATOR (/) MODEL MD-6 NO. 7K282214.
label: Description
content: A slightly earlier Sony prototype calculator was exhibited at the World Electronics Show in New York in the latter part of March 1964, and the Japanese Pavilion at the New York World Exposition opening in April. Early engineering drawings for the MD-6 are dated July 18, 1964.
label: Description
content: References:
label: Description
content: Accession File
label: Description
content: Documentation received as part of accession 313986.
label: Location
content: Currently not on view
place: label: place made
content: Japan: Tōkyō, Tokyo
topic: label: Subject
content: Business
setName: label: See more items in
content: Medicine and Science: Computers
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content: Computers & Business Machines
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content: Desktop Electronic Calculators
creditLine: label: Credit Line
content: Gift of Sony Corporation
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: CI.334388
label: accession number
content: 313986
label: catalog number
content: 334388
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: rubber (feet material)
label: Physical Description
content: glass (cover for display material)
label: Physical Description
content: plastic (keys material)
label: Physical Description
content: metal (case material)
label: Measurements
content: overall: 7 in x 13 1/2 in x 17 1/2 in; 17.78 cm x 34.29 cm x 44.45 cm