Royal Precision LGP-30 Minicomputer
date: label: date made
content: 1955-1960
notes: label: Description
content: This stored program, general-purpose minicomputer dates from the period 1955-1960. The LGP-30 has a desk-sized housing that holds the memory unit, arithmetic unit and control unit. The main memory is a magnetic drum, which rotates at 4000 revolutions per minute. The permanent information is stored on punched paper tape.
label: Description
content: The housing is steel, light brown, with an enameled finish. The control panel is on the front left-hand side of the housing. It consists of an oscilloscope recessed in the upper right corner of the
label: Description
content: panel and the translucent control buttons. The buttons, when lighted,indicate the operating status of the computer. The oscilloscope patterns indicate the contents of the three working registers.
label: Description
content: There is a removable typewriter stand which attaches to the lefthand side of the computer. The dimensions of the stand are: 66 cm deep (26 in.); 45.7 cm wide (18 in.); 50 mm thick (2 in.)
label: Description
content: A mark reads: : [L]GP 30 -[the "L" is missing].
label: Description
content: Disjoint parts include a cable, a relay cover, and a belt shield.
label: Description
content: This example of the LPG-30 was used at Phillip W. Genovese & Associates, an engineering firm in Hamden, Connecticut.
label: Location
content: Currently not on view
place: label: place made
content: United States: California, Glendale
setName: label: See more items in
content: Medicine and Science: Computers
creditLine: label: Credit Line
content: Gift of Philip W. Genovese & Associates, Inc.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1988.0343.01
label: catalog number
content: 1988.0343.01
label: accession number
content: 1988.0343
objectType: label: Object Name
content: Computer, Digital
label: Object Name
content: minicomputer
label: Object Name
content: minicomputer?, digital
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: plastic (overall material)
label: Measurements
content: average spatial: 83.8 cm x 157.5 cm x 66 cm; 33 in x 62 in x 26 in
label: Measurements
content: overall: 53 in x 35 in x 55 in; 134.62 cm x 88.9 cm x 139.7 cm