Western Electric type 300B triode
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 4-pin plastic base with domed envelope. Stamped in base: “Western Electric / Made in U.S.A. / 300 B / 152”. Donor’s card reads: “Triode made by the Western Electric Company for use in wire telephony. A general purpose tube. Oxide coated filament 5 volts at 1.2 amps. Plate 300 volts at 60 milliamps as a Class A amplifier for an output of 6 watts, amplification factor 3.8.”
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.325182
label: catalog number
content: 325182
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 6 in x 2 1/2 in; 15.24 cm x 6.35 cm