Cunningham type C338 power pentode
date: label: date made
content: ca 1932
name: label: maker
content: E. T. Cunningham, Inc.
notes: label: Description (Brief)
content: A 5-pin base plastic base with top contact, grid capacitor, S-shaped glass envelope. Stamped on base: "Cunningham / C338". Paper label reads: "12/17/34" / 29 [crossed thru]". Tube tested ok in 1963. Reference: https://www.radiomuseum.org/tubes/tube_c338.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 Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.322520
label: catalog number
content: 322520
label: accession number
content: 241556
objectType: label: Object Name
content: pentode
label: Object Name
content: vacuum tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 5/8 in; 11.43 cm x 4.1275 cm