Sonatron type Y227 vacuum triode
date: label: date made
content: ca 1929
name: label: maker
content: Sonatron Tube Company
notes: label: Description (Brief)
content: A 5-pin plastic base with tipless S-shaped envelope. Stamped on base: "[?]227". One paper label reads: "Sonatron", another reads: "This tube tested by / Beardsley's / Date [blank] / test [blank] / 87". Reference: https://www.radiomuseum.org/tubes/tube_y227.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 Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.322899
label: catalog number
content: 322899
label: accession number
content: 241556
objectType: label: Object Name
content: triode
label: Object Name
content: vacuum tube
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