Western Electric type 203A / VT1 vacuum triode
date: label: date made
content: ca 1917
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 4-pin brass base shell with plastic insulator, corrugated plates, tipped T-shaped envelope. "203-A" molded in base insulator. Stamped on base: "Signal Corps / VT-1 / Western / Electric Co., Inc. / Pat. in U.S.A. / 1-15-1907 two patents / 2-18-08, 4-27-15 / 12-19-16 / Pat Applied for"; on envelope: "115279". 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
creditLine: label: Credit Line
content: from Susan Horle
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.313809
label: catalog number
content: 313809
label: accession number
content: 195337
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: vacuum tube
label: Object Name
content: triode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 in x 1 3/8 in; 10.16 cm x 3.4925 cm