American type 56 vacuum triode
date: label: date made
content: ca 1934
name: label: maker
content: American Tube Co.
notes: label: Description (Brief)
content: A plastic 5-pin base with S-shaped envelope. In original box. Stamped on base: "America / 11 33"; on envelope: "56". Paper label reads: "American / Tube / Warranty: 120 Days / Date [blank]". Reference: https://www.radiomuseum.org/tubes/tube_56.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.RSN79833U17
objectType: label: Object Name
content: triode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Physical Description
content: cardboard (box material)
label: Physical Description
content: composition (overall material)
label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: box: 5 1/4 in x 2 1/4 in x 2 1/4 in; 13.335 cm x 5.715 cm x 5.715 cm
label: Measurements
content: electron tube: 4 in x 1 1/2 in; 10.16 cm x 3.81 cm