RCA type 56 medium-Mu triode
date: label: date made
content: ca 1934
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A plastic 5-pin base with domed envelope. Stamped on base: "RCA"; on envelope: "56". Donor’s card reads: “Medium-Mu triode made by the Radio Corporation of America. Used as a detector, amplifier or oscillator in AC operated radio receivers. Heater type, 2.5 volts at 1 ampere.” See also: https://www.radiomuseum.org/tubes/tube_56.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.324611
label: catalog number
content: 324611
label: accession number
content: 252994
objectType: label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 4 in x 1 1/2 in; 10.16 cm x 3.81 cm