Eveready-Raytheon type ER201A triode
date: label: date made
content: 1931
name: label: maker
content: Eveready Raytheon
notes: label: Description (Brief)
content: A 4-pin plastic base with S-shaped envelope. Paper label reads: "Eveready / Raytheon / Dealer's Name [blank] / 4-28-31 Date Installed / [blank] Date Removed / National Carbon Company, Inc."; stamped on base: "Eveready / Raytheon / ER201A". Reference: https://www.radiomuseum.org/tubes/tube_er201.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.322788
label: catalog number
content: 322788
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 3/4 in; 11.43 cm x 4.445 cm