Monteverdi E240 Handheld Electronic Calculator Sold by Lloyd's Electronics
date: label: date made
content: ca 1976
name: label: maker
content: Lloyd's Electronics
notes: label: Description
content: This handheld electronic calculator has a tan plastic case and twenty-five square plastic keys. In addition to ten digit keys, a decimal point key, and a total key, it has a clear/clear entry key, a change sign key, a square root key, an exchange key, a percentage key, four arithmetic function keys, and four memory keys. The power switch is above this. Text behind the keyboard reads: Monteverdi. Behind this is the eight-digit vacuum fluorescent display. A power jack is on the back edge.
label: Description
content: A compartment at the base of the back would hold four batteries. A sticker above this reads in part: Monteverdi 6V D.C. 300mW (/) MODEL E420 SERIES 255A. It then gives several examples for operating the calculator. Text below this reads: SERIAL NO. 6B-101471 (/) MADE IN JAPAN.
label: Description
content: For further information about Lloyd’s Electronics, Inc., see 1986.0988.218.
label: Description
content: The name of Lloyd’s Electronics does not appear on this calculator. However, the company filed for two trademarks for the term Monteverdi, used for other electronic equipment, in 1975 and 1976. These were registered in 1977. The calculator also is very similar in style to Lloyd’s model E419 (1986.0988.217).
label: Location
content: Currently not on view
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: 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: 1986.0988.264
label: catalog number
content: 1986.0988.264
label: accession number
content: 1986.0988
objectType: label: Object Name
content: electronic calculator
physicalDescription: label: Physical Description
content: plastic (case; keys; display cover material)
label: Physical Description
content: metal (circuitry material)
label: Physical Description
content: paper (sticker material)
label: Measurements
content: overall: 1 in x 3 1/2 in x 5 1/2 in; 2.54 cm x 8.89 cm x 13.97 cm