Moorhead / Marconi type VT "Amplifier-Oscillator" tube
date: label: date made
content: ca 1920
name: label: maker
content: Moorhead Laboratories
notes: label: Description (Brief)
content: A 4-pin base with metal shell and plastic insulator. Tipped T-shaped envelope. Vertically mounted filament inside a cylindrical collector. "S" molded on base insulator. Stamped on envelope: "Moorhead Laboratories / San Francisco / 205958". On GE Museum label: "6365 / 1.21". Reference: Tyne, "Saga of the Vacuum Tube," pages 173-178.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from General Electric Research Laboratory, thru W. C. White and J. R. Morgan
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.315607
label: catalog number
content: 315607
label: accession number
content: 220105
label: collector/donor number
content: 6365
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 in x 1 3/4 in; 10.16 cm x 4.445 cm