Continental Electric type 55 twin diode medium-Mu triode
date: label: date made
content: ca 1935
name: label: maker
content: Continental Corp.
notes: label: Description (Brief)
content: A plastic 6-pin base with top contact, domed envelope. Stamped on base: “Continental / R.C.A. Lic.”, on envelope: “55”. Donor’s card reads: “Twin diode medium-Mu triode made by Continental Electric Co. of Chicago in the 1930s, under license from RCA. Used in radio receivers as a combination detector, amplifier, and AVC tube. Heater type: 2.5 volts at 2 amperes.” See also: https://www.radiomuseum.org/tubes/tube_55.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.324946
label: catalog number
content: 324946
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 1/2 in; 11.43 cm x 3.81 cm