RCA / Cunningham type 12Z3 "Radiotron" half-wave vacuum rectifier
date: label: date made
content: ca 1935
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: Plastic 4-pin base with tipless domed envelope. Donor’s card reads: “Half-wave vacuum rectifier, glass type, made by the Radio Corporation of America for use in the power supply of AC/DC radio receivers. Heater type, 12.6 volts at .3 ampere.” See also: https://www.radiomuseum.org/tubes/tube_12z3.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.324615
label: catalog number
content: 324615
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: 3 7/8 in x 1 1/2 in; 9.8425 cm x 3.81 cm