Wards type 25-Z-6-G "Super Airline" vacuum rectifier - doubler
notes: label: Description (Brief)
content: A 7-pin plastic base with center post, domed envelope. Donor’s card reads: “Vacuum rectifier – doubler. Glass octal type used as a half wave rectifier or a voltage doubler in AC/DC radio receivers. Heater type, 25 volts at .3 ampere.”
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.324613
label: catalog number
content: 324613
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: rectifier
physicalDescription: label: Measurements
content: overall: 4 in x 1 1/2 in; 10.16 cm x 3.81 cm