RCA type 230 vacuum triode
date: label: date made
content: ca 1929
notes: label: Description (Brief)
content: Plastic 4-pin base with tipless S-shaped envelope, getter stain on inner wall. Stamped on base: "230" and "932". Paper label reads: "Guarantee / If not satisfactory this tube will / be replaced if returned with / sales slip within 30 days from the date shown. / Date [blank]." Maker is uncertain but this appears similar to type RCA 230 tubes. Reference: https://www.radiomuseum.org/tubes/tube_230.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.322883
label: catalog number
content: 322883
label: accession number
content: 241556
objectType: label: Object Name
content: vacuum tube
label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 3/4 in; 11.43 cm x 4.445 cm