Raytheon type ER236 screen-grid tetrode
name: label: maker
content: National Carbon Company, Inc.
notes: label: Description (Brief)
content: A plastic 5-pin base with top contact, mesh grid and S-shaped envelope. Stamped on base: "Eveready / Raytheon / -ER 236-;" Paper label reads: "Eveready / Raytheon / Dealers name [signature] / Date Installed [blank] / Date Removed [blank] / National Carbon Company, Inc." Reference: https://www.radiomuseum.org/tubes/tube_er236.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.RSN80552U34
objectType: label: Object Name
content: tetrode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Physical Description
content: composition (overall material)
label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: electron tube: 4 1/2 in x 1 3/8 in; 11.43 cm x 3.556 cm
label: Measurements
content: overall: 4 1/2 in x 1 1/2 in; 11.43 cm x 3.81 cm