Sylvania type 1LH4 diode high-Mu triode
date: label: date made
content: ca 1935
name: label: maker
content: Sylvania Electric Products Inc.
notes: label: Description (Brief)
content: A 5-pin metal base with center post, T-shaped envelope. Envelope stamped: “1 / - / 5 / 2 / Sylvania.” Donor’s card reads: “Diode high-Mu triode made by the Sylvania Corporation in the 1930s. Glass lock-in type used as a combination detector and amplifier in battery operated radio receivers. Filament: 1.4 volts at .05 ampere. See also: https://www.radiomuseum.org/tubes/tube_1lh4.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 Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.325037
label: catalog number
content: 325037
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 2 5/8 in x 1 1/4 in; 6.6675 cm x 3.175 cm