Western Electric type 215A "peanut" vacuum triode
date: label: date made
content: ca 1920
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. Printed on box: "One / Western Electric / Trade Mark Reg. U. S. Pat Off / No. 215-A / Vacuum Tube / Made in U.S.A." Printed on tube: "Western Electric / Made in U.S.A. / 215-A". 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 Richard H. Hronik
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2013.3110.73
label: nonaccession number
content: 2013.3110
label: catalog number
content: 2013.3110.73
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
physicalDescription: label: Physical Description
content: cardboard (box material)
label: Physical Description
content: composition (overall material)
label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: tube: 2 1/2 in x 1/2 in; 6.35 cm x 1.27 cm
label: Measurements
content: box: 1 3/8 in x 2 1/2 in x 1 1/4 in; 3.4925 cm x 6.35 cm x 3.175 cm