type 2X2 / 879 half-wave rectifier
notes: label: Description (Brief)
content: A 4-pin plastic base, top contact, domed envelope. Donor’s card reads: “Half wave vacuum rectifier, unknown manufacturer, for high voltage low current applications, such as anode voltage for cathode ray tubes. Heater: 2.5 volts at 1.75 amperes. Anode voltage up to 6000 at 7.5 milliamps.” See also: https://www.radiomuseum.org/tubes/tube_2x2.html; and https://www.radiomuseum.org/tubes/tube_879.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.324818
label: catalog number
content: 324818
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, 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 1/2 in; 11.43 cm x 3.81 cm