Olivetti Multisumma 22 Adding Machine
date: label: date made
content: ca 1960
name: label: maker
content: Olivetti-Underwood
notes: label: Description
content: This ten-key listing electric adding machine has a blue-green plastic case with a black plastic cover for the paper tape and two-color ribbon. It has three rows of white plastic digit keys, with two bars below these, one for entering single zeros and the other for double zeros. Right of the digit keys are total, subtotal, subtraction, and entry bars. Left of the digit keys is a column of function keys, with a lever at the top and at the bottom of the column. Left of these are three further function keys and a white key which may be depressed. Above the keyboard is a place indicator for digits being entered. Numbers of up to 12 digits may be entered.
label: Description
content: Behind the keyboard is the printing mechanism, which includes one bar for printing special characters. Results with up to 12 digits may be printed. There is a paper tape 3” (7.7 cm.) wide, with a plastic serrated edge for tearing it. A lever at the right releases tension on the platen. A plug extends from the back of the machine. The machine has a dark gray cloth cover laminated with plastic.
label: Description
content: A mark on top of the machine reads: olivetti-underwood. a mark on a metal plate attached to the back reads: Multisumma 22 Olivetti (/) MADE IN ITALY - FABRIQUE EN ITALIE. The serial number on the bottom is M 346630.
label: Description
content: According to Shapira, Olivetti purchased a controlling share of Underwood in 1959. The Olivetti Multisumma 20, apparently a later machine than the Multisumma 22, was introduced in 1965.
label: Description
content: Reference:
label: Description
content: N. Shapira, <I>Design Process Olivetti 1908-1978</I>, 1979, p. 251, 252.
label: Location
content: Currently not on view
place: label: place made
content: Italy
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: Adding Machines
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Jack Lifshutz
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1997.0237.01
label: catalog number
content: 1997.0237.01
label: accession number
content: 1997.0237
label: maker number
content: M 346630
objectType: label: Object Name
content: adding machine
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: plastic (overall material)
label: Physical Description
content: rubber (overall material)
label: Physical Description
content: cloth (overall material)
label: Measurements
content: overall: 28.2 cm x 22.3 cm x 37.2 cm; 11 3/32 in x 8 25/32 in x 14 21/32 in