Tungsol type 30 medium-Mu triode
date: label: date made
content: ca 1930
name: label: maker
content: Tung-Sol
notes: label: Description (Brief)
content: A 4-pin plastic base with S-shaped envelope. Base stamped: "Tung-Sol / R-2"; on envelope: "30". Reference: https://www.radiomuseum.org/tubes/tube_30.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.RSN79838U14
objectType: label: Object Name
content: triode
label: Other Terms
content: Electron Tube; 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: 4 5/8 in x 1 1/2 in; 11.7475 cm x 3.81 cm