Marconi type V24 vacuum triode
date: label: date made
content: ca 1918
name: label: maker
content: Marconi Wireless Telegraph Co. Ltd.
notes: label: Description (Brief)
content: According to donor: "Said to have been used at the Brant Rock, Mass. experimental station. Cylindrical plate, helical wire grid, straight single wire filament (broken) with helical wire support at end. Four metal contacts, one at each end (filament) and one on each side (plate and grid)." Unit purported by donor to be from "the first heterodyne used at Brant Rock Station." Reference: Tyne, "Saga of the Vacuum tube," 223-224. See also: 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 Harry R. Chetham
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.310544
label: catalog number
content: 310544
label: accession number
content: 122097
objectType: label: Object Name
content: triode
label: Object Name
content: vacuum tube
physicalDescription: label: Measurements
content: overall: 3 in x 4 in x 3/4 in; 7.62 cm x 10.16 cm x 1.905 cm