Sylvania type 417-A / VT-277 klystron
date: label: date made
content: ca 1943
name: label: maker
content: Sylvania Electric Products Inc.
notes: label: Description (Brief)
content: A plastic 8-pin base with center post, top contact, upper and lower glass domes on either end of a metal assembly that includes 2 coax-cable connectors, 3 springs, and 2 vertical posts. Stamped on base: “JAN 417A / VT-227 / Sylvania / Made in U.S.A.” Donor’s card reads: “Klystron made by Sylvania Company for the US government during World War II. A velocity variation oscillator for use in the band, 8.2 to 12.4 kilocycles. Co-axial output connection. Heater type: 6.3 volts at 1.2 amperes.” See also: https://www.radiomuseum.org/tubes/tube_417a_klystron.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.324767
label: catalog number
content: 324767
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: klystron
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 5 in x 2 1/4 in x 2 in; 12.7 cm x 5.715 cm x 5.08 cm