Marconi type V24 vacuum triode
date: label: date made
content: ca 1917
name: label: maker
content: Marconi Wireless Telegraph Co. Ltd.
notes: label: Description (Brief)
content: Four metal contacts, one at each end (filament) and one on each side (plate and grid). Cylindrical plate, helical wire grid, straight single wire filament with helical wire support at end. Tipped T-shaped envelope (cracked). Envelope stamped: "Marconi's W.T. Co Ltd. / Pat. Appn. No. 28413-13 / V24 1". References: Tyne, "Saga of the Vacuum tube," 223-224; https://www.radiomuseum.org/tubes/tube_v24.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 McMurdo Silver Corp., thru McMurdo Silver
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.311565
label: catalog number
content: 311565
label: accession number
content: 146541
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Physical Description
content: composition (overall material)
label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 3 in x 1 in x 5/8 in; 7.62 cm x 2.54 cm x 1.5875 cm