RCA type UV872A vacuum tube
date: label: date made
content: ca 1935
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: A half-wave mercury vapor rectifier (also called a high vacuum diode). Four-pin base with brass shell, ceramic insulator. Top contact. Printed on base: "Type 872-A"; inked on press "1016 / 22G3". T-shaped envelope. Reference: https://www.radiomuseum.org/tubes/tube_872a.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from the United States Bureau of Standards, Dept. of Commerce
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320171
label: catalog number
content: 320171
label: accession number
content: 188571
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: rectifier
physicalDescription: label: Measurements
content: overall: 8 3/8 in x 2 1/4 in; 21.2725 cm x 5.715 cm