Royal Ediswan "Fleming oscillation diode"
date: label: date made
content: 1906
name: label: maker
content: Royal Ediswan
notes: label: Description (Brief)
content: A brass dual-contact bayonet base with glass insulator, tipped T-shaped envelope, 9" cloth-insulated lead attached to one side. Vertically-mounted cylindrical shield. Stamped on side: "Fleming oscillation valve / 4 volts. / Royal Ediswan". References: Tyne, "Saga of the Vacuum Tube," page 47; https://www.radiomuseum.org/tubes/tube_fleming_oscillation.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 Susan Horle
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.314015
label: catalog number
content: 314015
label: accession number
content: 195337
objectType: label: Object Name
content: diode
label: Object Name
content: Electron Tube, Diode
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 3 in x 1 3/4 in x 1 1/4 in; 7.62 cm x 4.445 cm x 3.175 cm