EIMAC type 53-A triode
date: label: date made
content: ca 1938
name: label: maker
content: Eimac
notes: label: Description (Brief)
content: A glass radar tube with two leads on the bottom, two on either side of a BT-shaped envelope. Donor’s card reads: “Triode made by Eitel-McCullough of San Carols, Calif, in 1938 or before. A special design for UHF applications. Filament type: 5 volts at 12.5 amperes, amplification factor 31; plate current at 0 grid bias 75 mA at 750 volts. Normal plate dissipation 50 watts. Used to some extent in amateur radio transmitters.” See also: https://www.radiomuseum.org/tubes/tube_53a.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.324510
label: catalog number
content: 324510
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 5 1/4 in x 3 3/4 in x 2 1/4 in; 13.335 cm x 9.525 cm x 5.715 cm