Western Electric type 203A / VT1 vacuum triode
date: label: date made
content: ca 1918
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 4-pin base without shell, plastic insulator, gold-tipped pins, corrugated plates, tipped T-shaped envelope. "203-A" molded in base insulator. Remnant of a paper label on envelope. Reference: Tyne, "Saga of the Vacuum Tube," pages 93-99; also https://www.radiomuseum.org/tubes/tube_vt-1.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.RSN80578U11
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; 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: 4 1/8 in x 1 3/8 in