Eagle / Cunningham type 83 rectifier
date: label: date made
content: ca 1940
name: label: maker
content: E. T. Cunningham, Inc.
notes: label: Description (Brief)
content: A full-wave mercury vapor rectifier. Plastic 4-pin base with tipless domed envelope. Stamped on base: "Cunningham / E", on envelope: "83". One paper label reads: "Eagle / [logo] / radio / tubes"; another reads: "Licensed by R.C.A. / This tube guaranteed to test / within standard specification limits. / All parts of finest quality material. If unsatisfactory but not burned / out or broken, may be returned / for adjustment where purchased if / within the guarantee period. Date of sale [blank]" Reference: https://www.radiomuseum.org/tubes/tube_83.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.323070
label: catalog number
content: 323070
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: rectifier
physicalDescription: label: Measurements
content: overall: 5 1/8 in x 2 in; 13.0175 cm x 5.08 cm