Concert Master type X280 full wave vacuum rectifier
date: label: date made
content: ca 1930
name: label: maker
content: Continental Corp.
notes: label: Description (Brief)
content: A plastic 4-pin base with S-shaped envelope, getter stain, two mesh-type vertical elements, one mounted on either side of stem. Stamped on base: "1207". One label reads: "Concert / Master"; another reads: "X 280 / Full Wave / Rectifier / Fil-Volts 5 / Fil-Amp. 2 / DC Output 110.Mils." Reference: https://www.radiomuseum.org/tubes/tube_x280.html. Caution: base is very loose.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN79796T23
objectType: label: Object Name
content: rectifier
physicalDescription: label: Measurements
content: overall: 5 1/4 in x 2 in; 13.335 cm x 5.08 cm