Cunningham type CX301A triode in original box
date: label: date made
content: ca 1926
name: label: maker
content: E. T. Cunningham, Inc.
notes: label: Description (Brief)
content: A 4-pin plastic base with S-shaped envelope, silvered. Stamped on base: "Cunningham / -CX-301-A”; "C" logo on top. In original box with instruction sheet. Reference: https://www.radiomuseum.org/tubes/tube_cx301a.html.
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.RSN79798T15
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
physicalDescription: label: Physical Description
content: cardboard (?? material)
label: Physical Description
content: cardboard (box material)
label: Measurements
content: tube: 4 5/8 in x 1 3/4 in; 11.7475 cm x 4.445 cm
label: Measurements
content: box: 5 in x 2 1/4 in x 2 1/4 in; 12.7 cm x 5.715 cm x 5.715 cm