Valvo L413 vacuum triode
date: label: date made
content: 1928
name: label: maker
content: Valvo, GmbH
notes: label: Description (Brief)
content: A plastic 4-pin base, banana pins, tipless S-shaped envelope with taper at neck. Envelope blackened. Stamped on top: ".033 / 3,1-4V * 0,13/0,15A. / Valvo / L 413". From Tyne: "Radioröhrenfabrik, GmbH, formerly the tube manufacturing department of C. H. F. Müller, A.G. which was founded in 1924. Used the Valvo tradename and in 1928 changed the company name to Valvo, GmbH. Later taken over by Philips and became Philips Valvo Werke, GmbH." Reference: https://www.radiomuseum.org/tubes/tube_l413.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: EM.315563
label: catalog number
content: 315563
label: accession number
content: 216300
objectType: label: Object Name
content: Electron Tube
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 in x 1 3/4 in; 10.16 cm x 4.445 cm