Musselman type 201A triode
date: label: date made
content: ca 1925
notes: label: Description (Brief)
content: A 4-pin plastic base, tipless S-shaped envelope, silvered. Decal on envelop reads: "Musselman / [treble clef logo] / Certified"; base stamped: "Musselman Certified / 5VA / Patent Pending", etched: "E6874". Tyne indicates, "Made by A. J. Musselman - The Van Horne Co., Franklin, Ohio." Reference: Tyne, "Saga of the Vacuum Tube," pages 103, 280, 359; https://www.radiomuseum.org/tubes/tube_201a.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN80566U06
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: 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: electron tube, triode: 11 cm x 4 cm; 4 5/16 in x 1 9/16 in
label: Measurements
content: overall: 4 3/8 in x 1 3/4 in; 11.1125 cm x 4.445 cm