Northern Electric type 215A "peanut" vacuum triode
date: label: date made
content: ca 1919
name: label: maker
content: Western Electric
label: maker
content: Northern Electric Manufacturing Company
notes: label: Description (Brief)
content: A 4-contact plastic bayonet base with side pin, tipped T-shaped envelope, cylindrical shield. Stamped on side of envelope: "340786" and "215-A". Etched on base: "3165". Triode in a cardboard tube with Northern Electric Company instruction sheet. Reference: https://www.radiomuseum.org/tubes/tube_r215a.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 Susan Horle
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.314069
label: catalog number
content: 314069
label: accession number
content: 195337
objectType: label: Object Name
content: triode
label: Object Name
content: vacuum tube
physicalDescription: label: Physical Description
content: paper (wrapping material)
label: Measurements
content: overall: 2 5/8 in x 5/8 in; 6.6675 cm x 1.5875 cm