Western Electric type 215A "peanut" vacuum triode
date: label: date made
content: 1919
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 4-contact plastic bayonet base with side pin, tipped T-shaped envelope, cylindrical shield. Written on side of envelope: "75701" and "919[??]". Etched on base" "75701" and "NG". Experimental markings. Reference: https://www.radiomuseum.org/tubes/tube_215a.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 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.320182
label: catalog number
content: 320182
label: accession number
content: 188571
objectType: label: Object Name
content: triode
label: Object Name
content: Electron Tube, Triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Physical Description
content: composition (overall material)
label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 2 1/4 in x 3/8 in; 5.715 cm x .9525 cm
label: Measurements
content: electron tube, triode: 5.7 cm x .95 cm; 2 1/4 in x 3/8 in