Western Electric type 386A miniature "doorknob" pentode
date: label: date made
content: 1939
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A glass base with 6 pins and bottom tip, single top lead. Stamped on top: "Western Electric / Made in U.S.A. / 386A" "2" written on top. "Low power pentode 'door-knob' tube of 1939." Reference: https://www.radiomuseum.org/tubes/tube_386a%5Fwe.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 Bell Telephone Laboratories
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.315082.29
label: catalog number
content: 315082.29
label: accession number
content: 215003
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall with leads: 3 3/4 in x 1 1/4 in; 9.525 cm x 3.175 cm
label: Measurements
content: tube only: 1 3/4 in x 1 1/4 in; 4.445 cm x 3.175 cm