Calculating Machine Components
notes: label: Description
content: These objects were collected by Brooklyn high school teacher and historian of mathematics L. Leland Locke. Each of the seven white plastic number wheels has the digits from 0 to 9 marked on the rim in red. A steel gear is attached to one side and a round steel piece with a pointer to the other. The dimensions given are those of each wheel.
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
label: See more items in
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: 1983.3003.030
label: nonaccession number
content: 1983.3003
label: catalog number
content: 1983.3003.030
objectType: label: Object Name
content: calculating machine components
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: plastic (overall material)
label: Measurements
content: overall: .6 cm x 2.3 cm x 2.3 cm; 1/4 in x 29/32 in x 29/32 in