R. C. Allen Model 3089 Adding Machine
date: label: date made
content: ca 1940
name: label: maker
content: Allen Calculators, Inc.
notes: label: Description
content: This adding machine has a black metal frame with a metal mechanism and small glass window. The keyboard is also metal, painted green. There are eight columns of color-coded black and white plastic keys for entering numbers. To the right are the subtotal/total key mechanism, and the addition, subtraction, correction, and repeat keys. On the left are the non-print and non-add keys. The printing mechanism, fixed carriage, and narrow paper tape (4 inches wide) are at the back. It can accommodate totals up to nine digits long. There is a serrated metal edge for tearing off the tape. When the tape guide is moved away, single sheets of paper 6 inches wide can be fed through the platen. A knob on the right of the roller advances the paper manually. A lever on the right of the platen releases the paper and locks the paper guide in place. The motor and electric cord are at the back.
label: Description
content: The machine is marked on the front and on the top: R.C. Allen (/) FIGURING MACHINES. It is marked on a metal tag attached to the bottom: MODEL 3089. It is marked on another metal tag attached to the bottom with serial number: 997586. It is stamped on the bottom: 1306. It is marked on the back: Allen CALCULATORS, INC. (/) NEW YORK, U.S.A. (/) PATENTED. It is marked on the cover: R.C.Allen (/) Business (/) Machine.
label: Description
content: R. C. Allen adding machines were made from 1934, but the Model 3089 was not manufactured in that year. It was available by 1939.
label: Description
content: Reference:
label: Description
content: <I>American Office Machines Research Service</I>, December, 1939, Section 3.29.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York
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 KHG, Inc.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1988.0534.01
label: catalog number
content: 334298
label: accession number
content: 1988.0534
objectType: label: Object Name
content: adding machine
physicalDescription: label: Physical Description
content: glass (overall material)
label: Physical Description
content: plastic (overall material)
label: Physical Description
content: metal (overall material)
label: Physical Description
content: paper (overall material)
label: Physical Description
content: rubber (overall material)
label: Measurements
content: overall: 25 cm x 25 cm x 45 cm; 9 27/32 in x 9 27/32 in x 17 23/32 in