Raytheon type BA rectifier
date: label: date made
content: ca 1930
name: label: maker
content: Raytheon
notes: label: Description (Brief)
content: A 4-pin plastic base with dual element electrode mounted under a metal dome-cap. Tipless S-shaped envelope. Printed on base: "Raytheon / Type B-A"; printed on label: Raytheon / Patent Numbers / 1420824 1499087 1545207 / 1617171 1716172 1617174 / 1617177 1717178 1617179 / 1617180 1617181 / Raytheon Mfg. Co. Newton, Mass." Reference: https://www.radiomuseum.org/tubes/tube_ba.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN80508U10
objectType: label: Object Name
content: rectifier
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Physical Description
content: composition (overall material)
label: Measurements
content: electron tube: 12.5 cm x 6 cm; 4 15/16 in x 2 3/8 in