RCA / Cunningham type 43 "Radiotron" power pentode
date: label: date made
content: ca 1936
notes: label: Description (Brief)
content: A plastic 6-pin base with domed envelope. Base stamped: "RCA Cunningham / Radiotron"; on envelope: "43". Donor’s card reads: “Power pentode made by the Radio Corporation of America. for use in the output stage of AC/DC operated radio receivers. Heater type, 25 volts at .3 ampere. This tube is identical with the 25-A-6 except the latter has an octal base.” See also: https://www.radiomuseum.org/tubes/tube_43.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.324585
label: catalog number
content: 324585
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 3/4 in; 11.43 cm x 4.445 cm