vacuum switch
date: label: date made
content: ca. 1940
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Hallam E. Mendenhall
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1992.0314.01
label: catalog number
content: 1992.0314.01
label: accession number
content: 1992.0314
objectType: label: Object Name
content: electrical switch
label: Object Name
content: Switch
label: Other Terms
content: Switch; Electron Tubes; Electronics
physicalDescription: label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: average spatial: 3 1/4 in x 1/4 in; 8.255 cm x .635 cm