Tung-Sol TSX-199 triode
date: label: date made
content: ca 1926
name: label: maker
content: Tung-Sol
notes: label: Description (Brief)
content: A 4-pin plastic base with clear tipless T-shaped envelope. Donor's card reads: "Triode made by the Tung-Sol Electric Company in the 1920s. Interchangeable with [catalog number 324383]. This tube ... is the only specimen of the 199 model with a reasonably transparent envelope which ever came to hand, thus making the elements visible. Oxide coated tungsten filament, 3.3 volts at .063 ampere. Used as a Class A amplifier in battery operated radio receivers, 90 volts on the plate and a 4.5 volt negative control grid bias." See also: https://www.radiomuseum.org/tubes/tube_tsx199.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.324387
label: catalog number
content: 324387
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: 3 5/8 in x 1 1/4 in; 9.2075 cm x 3.175 cm