Tung-Sol type WE 717A “door knob” pentode
date: label: date made
content: ca 1943
name: label: maker
content: Tung-Sol
notes: label: Description (Brief)
content: A 8-pin plastic base with oval glass envelope. Stamped: “Tung-Sol / WE 717A”. Donor’s card reads: “Pentode made by Tung-Sol Electric Company for the US government during World War II. A high frequency pentode identical to the Western Electric type 713-A [catalog number 324522] except for base details. Heater: 6.3 volts at .175 ampere, 120 volts on the plate and screen, 2 volt negative control grid bias.” See also: https://www.radiomuseum.org/tubes/tube_717a.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 Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.324772
label: catalog number
content: 324772
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 2 in x 1 1/4 in; 5.08 cm x 3.175 cm