RCA type 82 “Radiotron” mercury vapor rectifier
date: label: date made
content: ca 1935
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: A full-wave, mercury vapor rectifier. Plastic 4-pin base with tipless S-shaped envelope. Mercury deposits on inner bulb wall. Stamped on base: "RCA / Radiotron". Stamped on envelope "82". Donor card reads: "Full wave mercury vapor rectifier made by the Radio Corporation of America. Dates from 1935. Filament: 2.5 volts at 3 amperes. Plate capacity: 115 milliamperes at 400 volts DC. For use in receiving equipment." See also: 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
creditLine: label: Credit Line
content: from Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.324490
label: catalog number
content: 324490
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: diode
label: Object Name
content: rectifier
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 5/8 in; 11.43 cm x 4.1275 cm