Echotron type 80 full-wave vacuum rectifier
date: label: date made
content: ca 1928
notes: label: Description (Brief)
content: A plastic 4-pin base with S-shaped envelope. Stamped on base: “Echotron / Licensed / only to extent / indicated on carton”; on envelope: "80". See also: https://www.radiomuseum.org/tubes/tube_80.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: EM.320395
label: catalog number
content: 320395
label: accession number
content: 242605
objectType: label: Object Name
content: rectifier
label: Object Name
content: diode
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 5 1/4 in x 2 1/8 in; 13.335 cm x 5.3975 cm