General Electric type UY227 vacuum triode
date: label: date made
content: 1927
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: A 5-pin plastic base with tipless S-shaped envelope. Unit has a mesh grid with wings on either side connecting to the supports. Other UY-227 tubes only have such a connecting wing on one side. Stamped on base: "[GE logo] / Radiotron / UY227". Donor's card reads: "Medium Mu triode made for the Radio Corporation of America by General Electric in May 1927. An early model of the 227 tubes. Heater type, 2.5 volts at 1.75 amperes, maximum plate voltage is 250. The UY-227 was the first designation of the "27" type tubes, being used after the UX-225 designation was discontinued in 1927." See also: https://www.radiomuseum.org/tubes/tube_uy227.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.324398
label: catalog number
content: 324398
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: 4 1/2 in x 1 3/4 in; 11.43 cm x 4.445 cm