Burroughs Class 4 Adding Machine
date: label: date made
content: ca 1912
name: label: maker
content: Burroughs Adding Machine Company
notes: label: Description
content: This full keyboard printing electric adding machine has a black metal frame and ten columns of round black and white color-coded plastic keys. No complementary digits are indicated. Function keys are to the left of the number keys, with an addition bar and further function keys to the right. A row of number dials is at the front of the machine, and a row of five smaller dials on the left between the keyboard and these dials. This may be a revolution counter.
label: Description
content: The machine has a motor beneath it, and a wide carriage and printing mechanism at the back. The printer ribbon has spools between the keyboard and the carriage and also extends from the right side. A metal plug on the right blocks the hole where the handle would go. The machine has a black rubber cord. The Burroughs Class 4 was introduced in 1912. According to McCarthy, it was intended to be used in multiplication, and the carriage could be shifted to the right or to the left to accomplish this. This object does not correspond precisely to the Burroughs Class 4 as described in McCarthy.
label: Description
content: This is model # 195 from the Patent Division of Burroughs Corporation. It is marked on the front: Burroughs. It has a red paper tag that reads: PATENT DEPT. (/) #195. There is presently no stand.
label: Description
content: Reference:
label: Description
content: J. H. McCarthy, <I>The American Digest of Business Machines</I>, Chicago: American Exchange Service, 1924, p. 34.
label: Location
content: Currently not on view
place: label: place made
content: United States: Michigan, Detroit
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
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content: Adding Machines
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Burroughs Corporation
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1982.0794.36
label: catalog number
content: 1982.0794.36
label: accession number
content: 1982.0794
objectType: label: Object Name
content: adding machine
physicalDescription: label: Physical Description
content: rubber (overall material)
label: Physical Description
content: plastic (overall material)
label: Physical Description
content: metal (overall material)
label: Physical Description
content: glass (overall material)
label: Measurements
content: overall: 48 cm x 43 cm x 46 cm; 18 29/32 in x 16 15/16 in x 18 1/8 in