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 experimental triode, clear tubular envelope, end-tipped, two copper leads emerge from one end, one lead emerges from the other end. A copper ribbon and wire is wrapped around the center of the envelope. Tipped T-shaped envelope in which the upper half is slightly larger in diameter than the lower half. 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 Marshall N. Waterman, Frances Waterman and Ruth Waterman Ritch
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.313459
label: catalog number
content: 313459
label: accession number
content: 187068
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 (without leads): 4 1/8 in x 7/8 in; 10.4775 cm x 2.2225 cm