Weagant experimental triode
date: label: date made
content: ca 1915
name: label: maker
content: Marconi Wireless Telegraph Co. of America
notes: label: Description (Brief)
content: Marconi Weagant-experimental triode. A brass bayonet base with four contacts, plastic insulator, clear tipless T-shaped outer envelope. A clean hole is in the outer envelope. Mounted within the outer envelope is an end-tipped inner envelope with an electrode wrapped around the center. The lower half of the inner envelope is larger in diameter than the upper half. Inside the inner envelope is a helical coil with a filament. No extant maker's marks. References: Tyne, "Saga of the Vacuum tube," pages 179-184; https://www.radiomuseum.org/tubes/tube_weagant.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.314089
label: catalog number
content: 314089
label: accession number
content: 195337
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 7/8 in; 10.16 cm x 2.2225 cm