Western Electric type VT2 radio tube
date: label: date made
content: ca 1917
label: date made
content: ca. 1918
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: VT-2 tube with envelope. Audion is being used generically here. "C286" on box. Brass 4-pin base (gold tips on tines) with bakelite insulator, two plates and grids with one emitter. Tipped G-shaped envelope. Stamped: "49399" on the envelope; on the shell: "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
creditLine: label: Credit Line
content: from Theodore W. Case
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.309155.02
label: catalog number
content: 309155.02
label: accession number
content: 63700
objectType: label: Object Name
content: Lamp, Signal
label: Object Name
content: vacuum tube
label: Object Name
content: triode
physicalDescription: label: Measurements
content: tube: 4 1/2 in x 2 1/4 in; 11.43 cm x 5.715 cm
label: Measurements
content: box: 3 1/4 in x 5 3/4 in x 3 in; 8.255 cm x 14.605 cm x 7.62 cm