Admiralty Pattern 4476A half-wave vacuum rectifier
date: label: date made
content: ca 1932
notes: label: Description (Brief)
content: A half-wave vacuum rectifier assigned a military designation or "pattern" number by the British Navy. This type of tube was also referred to as a CV1266 or a NU13A. Four-pin square plastic base with tubular glass envelope. References: http://www.ase-museoedelpro.org/Museo_Edelpro/Catalogo/tubes/records_nw/CV1266-NU13A/CV1266-NU13A.pdf; and https://www.radiomuseum.org/tubes/tube_4476a.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 Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320982
label: catalog number
content: 320982
label: accession number
content: 241556
objectType: label: Object Name
content: rectifier
label: Object Name
content: vacuum tube
physicalDescription: label: Measurements
content: overall: 7 in x 1 3/4 in; 17.78 cm x 4.445 cm