Western Electric type 347-A triode
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 5-pin plastic base with center post, top contact, domed envelope. Stamped: "Western Electric / Made in U.S.A. / 347-A", and US Navy logo. Donor’s card reads: “Triode made by the Western Electric Company as a general purpose telephone tube. Glass octal type, control grid connection to top cap. As a Class A amplifier: 135 volts at 5.5 milliamps on the plate, for an output of .25 watt.” Reference: https://www.westernelectric.com/s/347A.pdf.
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.325213
label: catalog number
content: 325213
label: accession number
content: 252994
objectType: label: Object Name
content: Triode
label: Object Name
content: triode
label: Other Terms
content: Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 1/2 in; 11.43 cm x 3.81 cm