General Electric / RCA type 866-A “Radiotron” mercury vapor rectifier
date: label: date made
content: ca 1935
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: A 4-pin plastic base with top contact, S-shaped envelope. Stamped on base: “[RCA logo] Radiotron”. Donor’s card reads: “Mercury vapor rectifier made by the General Electric Company for the Radio Corporation of America for general use as a half wave rectifier. Electrically interchangeable with type 866 tubes [catalog numbers 324544, 324545, and 324639] but all are of different physical construction. [Manufacture began] in April 1933.”
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.324690
label: catalog number
content: 324690
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: 6 3/4 in x 2 1/4 in; 17.145 cm x 5.715 cm