British R-style triode
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: EM.315589
label: catalog number
content: 315589
label: accession number
content: 216300
label: collector/donor number
content: 5m-39
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 3 7/8 in x 2 in; 9.8425 cm x 5.08 cm