Western Electric type 216A electron tube
date: label: date made
content: ca 1930
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: Western Electric type 216A high-vacuum triode amplifier - oscillator. A 4-pin plastic base with tipped G-shaped envelope. Marked: "Western Electric / Made in U.S.A. / 216-A ". V-shaped deposits on inner bulb wall in plane with filament. Reference: https://www.westernelectric.com/s/216A.pdf; Tyne, "Saga of the Vacuum tube," pages 291-293.
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.RSN80515U10
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
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: electron tube: 10 cm x 5.5 cm; 3 15/16 in x 2 3/16 in
label: Measurements
content: overall: 4 in x 2 1/4 in; 10.16 cm x 5.715 cm