Raytheon type 12Z3 vacuum tube
date: label: date made
content: ca 1935
name: label: maker
content: Raytheon Company
notes: label: Description (Brief)
content: A half-wave vacuum rectifier. Plastic 4-pin base with tipless BT-shaped envelope. Stamped on base: "Raytheon /12Z3". Paper label reads: "Date sold [blank] / Date tested [illegible] / Unsatisfactory [checked] / Satisfactory / Raytheon / 4-pillar glass and / all-metal radio tubes / Fifth Avenue / Radio Service / 140 Fifth Avenue, / Moline, Illinois". Reference: https://www.radiomuseum.org/tubes/tube_12z3.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.323184
label: catalog number
content: 323184
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: vacuum tube
label: Object Name
content: rectifier
physicalDescription: label: Measurements
content: overall: 4 1/4 in x 1 1/2 in; 10.795 cm x 3.81 cm