GE / RCA type 203A transmitting triode
date: label: date made
content: ca 1924
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: Air-cooled transmitting triode. A 4-pin (short) brass base with ceramic insulator, T-shaped envelope. Donor’s card reads: “Triode made by the General Electric Company for the Radio Corporation of America in the 1920s. This is the first A model of the original 203 design [catalog number 324354] and was followed by an improved model with a carbon plate is [catalog number 324511]. Widely used in small broadcast stations and by amateurs, and as audio amplifiers to feed larger tubes. This tube found its way into RCA controlled theaters as an audio amplifier when talking pictures were introduced. Filament: 10 volts at 3.85 amperes, plate operates at 1000 volts for an output of about 50 watts." See also: https://www.radiomuseum.org/tubes/tube_203a.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.324553
label: catalog number
content: 324553
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 1/4 in x 2 in; 18.415 cm x 5.08 cm