Osram type X22 pentagrid converter
name: label: maker
content: Marconi-Osram Valve Co., Ltd.
notes: label: Description (Brief)
content: A 7-pin plastic base with banana pins and top contact, domed envelope. A lead wire emerges from the base and is secured to the envelope with a white adhesive ring. Stamped: "Made & Patented in England / X22 / 53 9". Reference: https://www.radiomuseum.org/tubes/tube_x22.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 McMurdo Silver Corp., thru McMurdo Silver
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.311589
label: catalog number
content: 311589
label: accession number
content: 146541
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: heptode
physicalDescription: label: Measurements
content: overall: 4 7/8 in x 1 5/8 in; 12.3825 cm x 4.1275 cm