unidentified experimental triode
date: label: date made
content: ca 1918
notes: label: Description (Brief)
content: A 4-pin base with brass shell and plastic insulator. Plastic insulator on one lead in stem. Two leads enter the anode from below, three from above. Tipped, S-shaped envelope. No extant maker's markings; "16119. / 94 / E [upwards pointing arrow] 20" on paper label. Appears structurally similar to a GE VT-13 triode (see catalog #320223), although this tube is larger.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from the United States Bureau of Standards, Dept. of Commerce
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320178
label: catalog number
content: 320178
label: accession number
content: 188571
objectType: label: Object Name
content: Triode
label: Other Terms
content: Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 5 1/2 in x 2 1/4 in; 13.97 cm x 5.715 cm