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, .5" wide grid shield, tipped S-shaped envelope. GE logo and C logo stamped on envelope. Stamped on base: "Cunningham / Detector / model C-300 / Patented / Licensed for Amateur and / 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
creditLine: label: Credit Line
content: from Susan Horle
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.313984
label: catalog number
content: 313984
label: accession number
content: 195337
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/8 in x 1 5/8 in; 10.4775 cm x 4.1275 cm