Raytheon type X99 vacuum triode
date: label: date made
content: ca 1925
name: label: maker
content: Raytheon
notes: label: Description (Brief)
content: A 4-pin plastic base with T-shaped envelope, getter stain. Stamped on base: "Raytheon / --X99--". Reference: https://www.radiomuseum.org/tubes/tube_x99.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.321248
label: catalog number
content: 321248
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: vacuum tube
label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 3 3/4 in x 1 1/8 in; 9.525 cm x 2.8575 cm