Western Electric type 368A "doorknob" transmitting triode
date: label: date made
content: ca 1935
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 4-pin glass base with oval glass envelope, two pins and tip on top. Stamped: “Western Electric / Made in U.S.A. / B.T.L / 1020Y3", and "EC664". "171" inked on bottom. An air-cooled ultrahigh frequency transmitting tube of the so-called "doorknob" design. Reference: https://www.radiomuseum.org/tubes/tube_368a.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 Hallam E. Mendenhall
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1988.0695.25
label: catalog number
content: 1988.0695.25
label: accession number
content: 1988.0695
objectType: label: Object Name
content: Door knob tube
label: Object Name
content: vacuum tube
label: Object Name
content: triode
physicalDescription: label: Physical Description
content: manufactured (overall style)
label: Physical Description
content: molded (overall production method/technique)
label: Measurements
content: overall: 1 3/4 in x 2 in; 4.445 cm x 5.08 cm