RCA type WD-12 triode
date: label: date made
content: ca 1924
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: Plastic base with 4-pins, tipless T-shaped silvered envelope. Donor’s card reads: “Triode made by the Radio Corporation of America in the 1920s. This tube is the second model of the original type WD-12 [catalog number 324358] and preceded the later type WD-12 [catalog number 324676]. Filament: 1.1 volts at .25 ampere.”
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.324677
label: catalog number
content: 324677
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 3 1/2 in x 1 3/8 in; 8.89 cm x 3.4925 cm