RCA / Cunningham type 82 rectifier
date: label: date made
content: ca 1940
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A full-wave, mercury vapor rectifier. Plastic 4-pin base with tipless domed envelope. Mercury deposits on inner bulb wall. Stamped on base: "RCA Cunningham / Made in U.S.A. / Radiotron / Licensed / as stated / on carton". Stamped on envelope "82". Reference: https://www.radiomuseum.org/tubes/tube_82.html.
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: EM.323268
label: catalog number
content: 323268
label: accession number
content: 250988
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: rectifier
physicalDescription: label: Measurements
content: overall: 4 5/8 in x 1 3/4 in; 11.7475 cm x 4.445 cm