"Silvertone" type 235 screen grid tetrode
name: label: maker
content: Silvertone
notes: label: Description (Brief)
content: A 5-pin plastic base with top contact, mesh grid, S-shaped envelope. Stamped on base: "Silvertone / 235-22X"; molded on press: "22". Silvertone was the provate label brand for Sears, Roebuck & Co. Reference: https://www.radiomuseum.org/tubes/tube_235.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN80552U36
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: tetrode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Physical Description
content: composition (overall material)
label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 5 in x 1 3/4 in; 12.7 cm x 4.445 cm