experimental triode
notes: label: Description (Brief)
content: Experimental triode, 4-pin brass base with ceramic insulator, tipless envelope, grid, plate and spark gap?, "G" on paper label. No extant marks. Donor's note: "First electron relay utilizing bombardment of the anode to directly control by internal control a high energy local circuit by grid voltage. Radio or audio frequency operated, giving either normal vacuum tube function or relay control without plate circuit devices."
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Samuel Ruben
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.330172
label: catalog number
content: 330172
label: accession number
content: 285747
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 1/2 in x 1 3/4 in; 11.43 cm x 4.445 cm