RCA type 217C vacuum tube
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: A high vacuum, half wave rectifier with a thoriated tungsten filament. Used in high voltage rectifiers where freedom from radio frequency disturbances in the output is important. Marked: "Made in / 217C / U.S.A." and "RCA Radiotron / Licensed / as stated / on carton". Filament volts: 10 (AC); filament current: 3.25 amps; peak inverse voltage: 7500; peak plate current: 0.6 amp; average plate current: 0.15 amp. Reference: https://www.radiomuseum.org/tubes/tube_217c.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.322618
label: catalog number
content: 322618
label: accession number
content: 241556
objectType: label: Object Name
content: rectifier
label: Object Name
content: vacuum tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 8 in x 2 1/4 in; 20.32 cm x 5.715 cm