R.C.Allen Model 35 Calculating Machine
date: label: date made
content: 1948
name: label: maker
content: R. C. Allen Business Machines, Inc.
notes: label: Description
content: This ten-key, non-printing electric pinwheel calculating machine has a black metal frame that is painted green under the keys. Two rows of black plastic keys are in front, a metal bar is on the left, three registers are above the keyboard, and a rod with sliding decimal markers is above the result and revolution registers. One may enter numbers up to nine digits long, record up to eight digits in the revolution register, and computer results of up to 13 digits.
label: Description
content: The machine has an electric cord.
label: Description
content: A mark on the front reads: “World FAMOUS” [/] 10 KEY CALCULATOR (/) AMERICAN AND SWEDISH PATENTS. Another mark there reads: R.C. Allen (/) MODEL ‘35’. A mark on the back reads: R.C.Allen (/) 10 KEY (/) CALCULATOR (/) FACIT SYSTEM (/) R.C. ALLEN BUSINESS MACHINES, INC. (/) GRAND RAPIDS, MICH.,U.S.A. (/) PATENTED (/) MANUFACTURED IN THE UNITED STATES (/) LICENSED UNDER FACIT PATENTS. A mark on the bottom reads: 29433 (/) MODEL 35
label: Description
content: R. C. Allen, Inc. (later R. C. Allen Business Machines) was founded by Ralph C. Allen (1884–1967) in Grand Rapids, Michigan, in 1932. By 1938 Allen was a distributor of Facit machines. It would distribute and manufacture cash registers, calculating machines, and typewriters. During World War II the firm began manufacturing aircraft instruments, and would come to focus on this business.
label: Description
content: According to the donor, this machine was manufactured in 1948 and had an original cost of $397. It came from his personal collection of calculating machines.
label: Description
content: References:
label: Description
content: <I>American Office Machines Research Service</I>, vol. 3, 1938.
label: Location
content: Currently not on view
place: label: place made
content: United States: Michigan, Grand Rapids
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
creditLine: label: Credit Line
content: Gift of William L. Jackson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.335417
label: maker number
content: 29433
label: accession number
content: 319049
label: catalog number
content: 335417
objectType: label: Object Name
content: calculating machine
physicalDescription: label: Physical Description
content: steel (overall material)
label: Physical Description
content: plastic (overall material)
label: Measurements
content: overall: 16.8 cm x 28 cm x 25 cm; 6 5/8 in x 11 1/32 in x 9 27/32 in