type UY227 vacuum triode
date: label: date made
content: ca 1929
notes: label: Description (Brief)
content: A 5-pin plastic base with tipless S-shaped envelope. Screen grid. "Low" written on base. Getter stain on inner wall. No extant makers markings.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.321246
label: catalog number
content: 321246
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 3/4 in; 11.43 cm x 4.445 cm