Valiant Personal Calculator
date: label: date made
content: ca 1960
notes: label: Description
content: This small notched band adder has six serrated metal strips arranged in columns that may be moved up and down with an aluminum stylus. The front is also aluminum, partly colored blue. The back is steel painted white, and the zeroing bar is brass. At the top front of the instrument, the six columns are used for addition and the openings are crook-shaped for carrying. As the bottom, the same strips are used for subtraction and the openings have an inverted crook for borrowing. The instrument is marked on the back: JAPAN. Compare Addiator Universal (1988.0807.04) and Addiator Arithma (1986.0543.01).
label: Description
content: The adder ismarked at the top:Valiant. It ismarked at the bottom: PERSONAL (/) CALCULATOR. A mark on the back reads: JAPAN.
label: Description
content: According to the donor, Kathleen Dolores Barberini used this particular Valiant Personal Calculator to maintain her household budget. Barberini believed that she used it in the 1950s. The Valiant personal calculator was advertised as selling for 99 cents in the Los Angeles Times in 1960.
label: Description
content: Reference: <I>Los Angeles Times</I>, July 17, 1960, p. D4.
label: Location
content: Currently not on view
place: label: place made
content: Japan
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Adder
label: See more items in
content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Kathleen A. Robertson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1992.0548.01
label: accession number
content: 1992.0548
label: catalog number
content: 1992.0548.01
objectType: label: Object Name
content: adder
physicalDescription: label: Physical Description
content: brass (overall material)
label: Physical Description
content: aluminum (overall material)
label: Physical Description
content: steel (overall material)
label: Measurements
content: overall: .3 cm x 4.2 cm x 16.2 cm; 1/8 in x 1 21/32 in x 6 3/8 in