experimental triode
name: label: maker
content: Ruben, Samuel
notes: label: Description (Brief)
content: No base. Bottom tipped with two stranded copper leads. T-shaped envelope. Large metal electrode separated from a contact plate by an air gap. Written on side: "4 6[??]37. S.R." Experimental triode. First laboratory models of mercury wetted contact, gravity operated. Paper label: "F1".
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.330170
label: catalog number
content: 330170
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: 3 in x 1 1/8 in; 7.62 cm x 2.8575 cm