Cunningham type C299 triode
name: label: maker
content: E. T. Cunningham, Inc.
notes: 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.RSN79812U20
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 3 1/8 in x 1 in; 7.9375 cm x 2.54 cm