Fellows Magneto Co. type FER3 vacuum tube
date: label: date made
content: ca 1925
name: label: maker
content: Fellows Magneto Co. Ltd.
notes: label: Description (Brief)
content: Marked: "No valve is genuine unless this label / is intact. / No complaint will be considered if / this label is removed or defaced. / Fellows Magneto Co., Ltd. / 3723 / FER 3 / Filament Volts 4 / Anode Volts 40 to 80 / Filament Amps .1". Plastic base with four brass banana pins, tipped S-shaped envelope with green painted tip. Coaxial filament and grid. BBC stamping on envelope. Tube in cardboard sleeve (not original package), marked "HYDROMETER" Type S 1. Reference: Tyne, "Saga of the Vacuum Tube," page 392; also: https://www.radiomuseum.org/tubes/tube_fer3_4volt.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 Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.322546
label: catalog number
content: 322546
label: accession number
content: 241556
objectType: label: Object Name
content: triode
label: Object Name
content: vacuum tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/4 in x 1 3/4 in; 10.795 cm x 4.445 cm