Eveready-Raytheon type ER227 vacuum triode
name: label: maker
content: Eveready Raytheon
label: maker
content: National Carbon Company, Inc.
notes: label: Description (Brief)
content: A plastic 5-pin base with mesh grid and S-shaped envelope. Stamped on base: "Eveready / Raytheon / ER 227;" Paper label reads: "Eveready / Raytheon / Dealers name [faded] / Date Installed [faded] / Date Removed [faded] / National Carbon Company, Inc." Reference: https://www.radiomuseum.org/tubes/tube_er227.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.323234
label: catalog number
content: 323234
label: accession number
content: 241556
objectType: label: Object Name
content: triode
label: Object Name
content: vacuum tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 3/4 in x 1 3/4 in; 12.065 cm x 4.445 cm