Cunningham type CX301A triode
date: label: date made
content: ca 1926
name: label: maker
content: E. T. Cunningham, Inc.
notes: label: Description (Brief)
content: A 4-pin plastic base with S-shaped envelope, silvered. Stamped on base: "Cunningham / -CX-301-A”; "C" logo on top. Reference: https://www.radiomuseum.org/tubes/tube_cx301a.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Susan Horle
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.314040
label: catalog number
content: 314040
label: accession number
content: 195337
objectType: label: Object Name
content: vacuum tube
label: Object Name
content: triode
label: Other Terms
content: Electron Tubes
physicalDescription: label: Physical Description
content: composition (overall material)
label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 4 5/8 in x 1 3/4 in; 11.7475 cm x 4.445 cm