General Electric / Cunningham type C300 triode
date: label: date made
content: ca 1920
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: A 4-pin brass base with ceramic insulator, .75" wide grid shield, tipped S-shaped envelope. GE logo and "C" paper label on envelope. Stamped on base: "Cunningham / Detector / model C-300 / Patented / Licensed for Amateur or / Experimental use only". Reference: https://www.radiomuseum.org/tubes/tube_c300~2.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.RSN80616U72
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: glass (overall material)
label: Physical Description
content: isolantite (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