Controller Calculating Machine Components
name: label: maker
content: Controller Company
notes: label: Description
content: These objects were collected by Brooklyn high school teacher and historian of mathematics L. Leland Locke. Five of the eight have the dimensions given. These five hollow pieces have a gear at each end. The cavity running down the middle is round at one end and square at the other. The other three components are only .8 cm high. The short pieces have only one gear and a square opening. Pieces this shape are found on the shafts of the components of 1983.3003.18.
label: Description
content: Compare to 311943.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, New York City
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: 1983.3003.025
label: nonaccession number
content: 1983.3003
label: catalog number
content: 1983.3003.025
objectType: label: Object Name
content: calculating machine components
physicalDescription: label: Physical Description
content: brass (overall material)
label: Measurements
content: overall: 1.4 cm x 2 cm x 1.4 cm; 9/16 in x 25/32 in x 9/16 in