Mullard type EL-37 pentode
name: label: maker
content: Mullard
notes: label: Description (Brief)
content: A 7-pin plastic base with center post. Tipless domed envelope with internal getter stain. Donor card reads: "Pentode made by Mullard, Ltd. of England. Used as a Class A amplifier in the final audio stage of radio receivers and amplifiers. Heater type 6.3 volts at 1.4 amperes. For Class A service: 250 volts on the plate and screen, 100 milliamperes plate current, 15.5 volt negative control grid bias, about 11 watts audio output." See also: https://www.radiomuseum.org/tubes/tube_el37.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.324496
label: catalog number
content: 324496
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: vacuum tube
label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 5 in x 1 7/8 in; 12.7 cm x 4.7625 cm