Western Electric type VT2 radio tube
date: label: date made
content: ca 1917
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: Brass 4-pin base (gold tips on tines) with bakelite insulator, two plates and grids with one emitter. Tipped G-shaped envelope. Stamped: "543718" on the side; on the shell: "Signal Corps / VT2 / Western / Electric Co. Inc. / Pat. in U.S.A. / 1-15-07 Two patents / 2-18-03 4-27-15 / 12-19-16 / Pat. Applied For". Reference: Tyne, "Saga of the Vacuum Tube" 100-103, 286-287; https://www.radiomuseum.org/tubes/tube_vt2.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: EM.322905
label: catalog number
content: 322905
label: accession number
content: 250988
objectType: label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 2 1/4 in; 11.43 cm x 5.715 cm