GE type UV213 high-vacuum rectifier
date: label: date made
content: ca 1923
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: A 4-pin brass base with ceramic insulator, two parallel elements mounted vertically, tipless S-shaped envelope. Printing on base mostly indistinct: "U [......] / Forest[....] Co / [.....] U.S.A." Reference: https://www.radiomuseum.org/tubes/tube_uv213.html. Paper label found with unit: "20. Radiotron UV213 - first of the generally available full wave high vacuum rectifier tubes for use in alternating current radio receiver power supplies."
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from McMurdo Silver Corp., thru McMurdo Silver
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.311573
label: catalog number
content: 311573
label: accession number
content: 146541
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: rectifier
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 3/4 in x 2 in; 12.065 cm x 5.08 cm