Adding Machine Section, Burroughs Model 534
date: label: date made
content: ca 1920
name: label: maker
content: Burroughs Adding Machine Company
notes: label: Description
content: This is one of a series of adding machines and adding machine models prepared by the Patent Department of the Burroughs Adding Machine Company. It is is a model for a key lock full stroke device for a key-driven adding machine. It is a steel mechanism with octagonal white plastic keys and two numeral wheels rimmed with black plastic. Keys for odd digits are concave, those for even digits are flat. Complementary digits are indicated on the keys. There are nine key stems and eight keys (the “9” key is missing).
label: Description
content: A red tag attached to the object reads: PATENT (/) MODEL (/) No. 534. A metal tag on the side reads: B.A.M.CO. (/) MODEL (/) NO. 534
label: Description
content: Objects 1982.0794.04 through 1982.0794.10 were received together as Burroughs Patent model 42. This object is described in accession file as an invention of Walter J. Pasinski of Burroughs. Pasinski and other Burroughs inventors filed several patents for key-driven adding machines between 1911 and 1929.
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
label: See more items in
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: 1982.0794.05
label: accession number
content: 1982.0794
label: catalog number
content: 1982.0794.05
objectType: label: Object Name
content: adding machine model
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: steel (overall material)
label: Measurements
content: overall: 11.3 cm x 4.5 cm x 26.8 cm; 4 7/16 in x 1 25/32 in x 10 9/16 in