Calculating Machine Components
notes: label: Description
content: These objects were collected by Brooklyn high school teacher and historian of mathematics L. Leland Locke. The metal rings come in three sizes. Seventeen are .5 cm. in diameter (one of these has been cut), six are .8 cm. in diameter, and four are 1.3 cm. in diameter.
label: Location
content: Currently not on view
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 L. Leland Locke
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1983.3003.042
label: nonaccession number
content: 1983.3003
label: catalog number
content: 1983.3003.042
objectType: label: Object Name
content: calculating machine components
physicalDescription: label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 2.7 cm x 1.1 cm x 1.1 cm; 1 1/16 in x 7/16 in x 7/16 in