General Electric / Cunningham type C300 triode
date: label: date made
content: ca 1920
name: label: maker
content: E. T. Cunningham, Inc.
notes: label: Description (Brief)
content: A 4-pin plastic base with, .75" wide grid shield, tipless S-shaped envelope. GE logo on envelope. Stamped on base: "Cunningham / C-300 / Licensed only / to extent / indicated on carton". 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.RSN80616U93
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 1/8 in x 1 3/4 in; 10.4775 cm x 4.445 cm