Cunningham type CX301A triode
date: label: date made
content: ca 1926
name: label: maker
content: E. T. Cunningham, Inc.
notes: label: Description (Brief)
content: Cunningham type CX-301A triode. 4-pin plastic base, tipless S-shaped silvered envelope. Label reads: "This tube tested before shipment. Sieg Co. / [no date recorded] / Do not remove sticker".
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.241556.072
label: accession number
content: 241556
label: catalog number
content: 241556.072
objectType: label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 3/4 in; 11.43 cm x 4.445 cm