Western Electric type 248A transmitting triode
date: label: date made
content: ca 1926
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 4-pin metal base, tipped T-shaped envelope. Donor’s card reads: “Power triode made by the Western Electric Company and used in the WJAX broadcasting station, Jacksonville, Fla. about 1926. Courtesy of Bob Ried, former Chief Engineer, now of WMBR (W4TK).Used as a voice amplifier to feed the 212-D modulator tubes in the 500 watt Western Electric transmitter. Filament: 10 volts at 3.25 amperes, plate voltage 1000 to 1250 at 150 milliamperes. ” See also: https://www.radiomuseum.org/tubes/tube_248a.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.324673
label: catalog number
content: 324673
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: 7 1/2 in x 2 in; 19.05 cm x 5.08 cm