Amrad type S recitifer tube
date: label: date made
content: ca 1927
name: label: maker
content: American Radio & Research Corporation
notes: label: Description (Brief)
content: Amrad type S rectifier tube, mogul screw base with glass insulator, tipped S-shape envelope, "Amrad" label, "Good" on masking tape. A half-wave, cold-cathode rectifier tube. Rating - 20 watts; voltage - 300-750 volts; capacity - 50 milliamps; life - 3000 hours. Reference: https://www.radiomuseum.org/tubes/tube_s1_amrad.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.322865
label: catalog number
content: 322865
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: rectifier
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 3/4 in x 2 in; 12.065 cm x 5.08 cm