Federal Telegraph type F-369-B half-wave mercury vapor rectifier
name: label: maker
content: Federal Telephone & Telegraph Co.
notes: label: Description (Brief)
content: A metal pin-and-blade base with top contact, G-shaped envelope with neck. Stamped on base: “Federal”. Donor’s card reads: “Half-wave mercury vapor rectifier made by the Federal Telegraph Company, Division of International Telephone and Telegraph Company, Clifton, NJ. Similar to and interchangeable with the type WL-86-A [catalog number 324621]. Filament: 5 volts at 20 amperes. 20000 volts maximum inverse peak anode voltage, maximum anode current 5 milliamperes.” See also: https://www.radiomuseum.org/tubes/tube_f369a.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.324714
label: catalog number
content: 324714
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: rectifier
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 14 in x 5 in; 35.56 cm x 12.7 cm