type Y224 screen-grid tetrode
date: label: date made
content: ca 1928
notes: label: Description (Brief)
content: A 5-pin plastic base with top contact, screen mesh grid, S-shaped envelope, getter stain. Molded on base: "RAIDO [struck through with 7 lines of dots] / . Y-224-"; stamped on envelope: "4329". In original box marked: "Type / 224" only. Reference: https://www.radiomuseum.org/tubes/tube_y-224.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.323231
label: catalog number
content: 323231
label: accession number
content: 241556
objectType: label: Object Name
content: tetrode
label: Object Name
content: vacuum tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Physical Description
content: cardboard (box material)
label: Measurements
content: tube: 5 in x 1 3/4 in; 12.7 cm x 4.445 cm
label: Measurements
content: box: 5 in x 2 1/4 in x 2 1/4 in; 12.7 cm x 5.715 cm x 5.715 cm