Cunningham type CX-331 vacuum tube
date: label: date made
content: ca 1929
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
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.322522
label: catalog number
content: 322522
label: accession number
content: 241556
objectType: label: Object Name
content: vacuum tube
label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 3 7/8 in x 1 1/8 in; 9.8425 cm x 2.8575 cm