key
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Mechanisms
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ME.377773
label: catalog number
content: 377773
objectType: label: Object Name
content: Key
physicalDescription: label: Physical Description
content: metal, "brass" (overall material)
label: Measurements
content: overall: 3 1/4 in x 1 1/2 in; 8.255 cm x 3.81 cm