Olivetti Divisumma GT24 Calculating Machine
date: label: date made
content: 1972
name: label: maker
content: Olivetti
notes: label: Description
content: This ten-key listing electric calculating machine has a gray plastic case with a black lid that lifts to reveal the mechanism. The nine white numeral keys are arranged in a block. Below these are three black keys. One has one white dot, one has two dots and the third has three dots (for differing numbers of zeroes).
label: Description
content: To the right of the keys is a black bar marked +, a red bar marked -, a black T key, and a black ST key. There are three more black keys, six blue keys, and a red key on the left, as well as two levers with blue plastic knobs. Below the keyboard is a GT (grand total) bar and a switch. Above the keyboard is a place indicator. The printing mechanism behind this includes four type wheels to indicate dates, 13 for totals and two for symbols. Totals are printed in red. A serrated edge eases tearing the paper tape.
label: Description
content: The machine has a gray cord and the 3-1/2” (8.8 cm.) wide paper tape. A mark at the top reads: olivetti. A mark on a tag attached to the back reads: Olivetti Divisumma GT 24 (/) MADE IN ITALY * FABRIQUE EN ITALIE. A nother tag attached to the back reads: PROPERTY OF (/) 112551 (/) SMITHSONIAN INSTITUTION. The serial number, written on the inside of the back of the top and on a plate attached to the bottom, is 2866218.
label: Description
content: The Italian artist Marcello Nizzoli designed this and other Olivetti calculating machines.
label: Description
content: This particular example was used in the Office of the Registrar of the National Museum of American History and is dated from its property tag number.
label: Description
content: Compare 1979.0854.01.
label: Description
content: Reference:
label: Description
content: S. Kicherer, <I>Olivetti: A Study of the Corporate Management of Design</I>, 1990, pp. 28–29.
label: Location
content: Currently not on view
place: label: place made
content: Italy
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Calculating Machines
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content: Science & Mathematics
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1979.0932.01
label: maker number
content: 2866218
label: accession number
content: 1979.0932
label: catalog number
content: 1979.0932.01
objectType: label: Object Name
content: calculating machine
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: rubber (overall material)
label: Physical Description
content: plastic (overall material)
label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: 26 cm x 24.5 cm x 43 cm; 10 1/4 in x 9 21/32 in x 16 15/16 in