Underwood Sundstrand 11140P Adding Machine
date: label: date made
content: 1944
name: label: maker
content: Underwood Corporation
notes: label: Description
content: American religious organizations have long used computing devices. The First Baptist Church of Suitland, Maryland owned this machine.
label: Description
content: The ten-key printing electric adding machine has a block of nine white plastic keys with the 0 bar below. On the left are CORR, B’K (/) SPAC and X (/) REP’T keys. On the right are SUB- (/) TOTAL, ADD, and NO + (/) TOTAL keys. Above the keyboard is a place indicator. Above and behind this is the printing mechanism. One may enter numbers of up to ten digits, and print results of up to 11 digits.
label: Description
content: A metal plate painted gray and held down with screws covers the spools of the two-color ribbon. The machine has a paper tape 2-1/2” (6.3 cm) wide. A lever on the right releases tension on the platen. A lever on the left sets the spacing. The motor is inside the case, at the back.
label: Description
content: The machine is marked: Underwood (/) Sundstrand ... (/) Underwood Corporation (/) Protected by United States (/) and Foreign Patents (/) Made in U.S.A. It is also marked: 416151 (/) 11140P (/) UNIVERSAL MOTOR (/) VOLTS 115 AMPS. 1.5. The “11” in the first two digits of the model number corresponds to the number of possible digits in the total. The “P” refers to electric machines.
label: Description
content: References:
label: Description
content: <I> American Business Machines Research</I>, III, 1937.
label: Description
content: Documentation 1990.3188.7.
label: Location
content: Currently not on view
place: label: place made
content: United States: Connecticut, Bridgeport
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 First Baptist Church of Suitland, Maryland
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1978.0279.01
label: maker number
content: 416151
label: accession number
content: 1978.0279
label: catalog number
content: 336517
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: paper (overall material)
label: Measurements
content: overall: 26 cm x 23.5 cm x 41 cm; 10 1/4 in x 9 1/4 in x 16 5/32 in