Western Electric type 328A pentode
date: label: date made
content: ca 1936
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 6-pin plastic base, top cap, domed glass envelope. Stamped: “Western Electric / Made in U.S.A. / 328A”. Donor’s card reads: "Pentode, made by the Western Electric Company from about the year 1936. Except for the heater voltage, this tube is identical with the type 310-A [catalog number 324985]. Heater: 7.5 volts at .425 ampere.”
label: Description (Brief)
content: "This tube is intended primarily for use in audio, carrier and radio-frequency voltage amplifiers, oscillators or modulators." Reference: Western Electric "328A Vacuum Tube" specification sheet, https://www.westernelectric.com/s/328A.pdf; also https://www.radiomuseum.org/tubes/tube_328a.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 Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.324986
label: catalog number
content: 324986
label: accession number
content: 252994
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: 4 3/4 in x 1 1/2 in; 12.065 cm x 3.81 cm