Philips type A415 triode
date: label: date made
content: ca 1926
name: label: maker
content: Philips
notes: label: Description (Brief)
content: Four-pin plastic base (long pins), with tipless S-shaped envelope. Donor’s card reads: “Triode, receiving type, made by Philips of Holland. Used as a Class A amplifier at audio frequencies. Filament: 4 volts at .085 amperes. 150 volts at 4 milliamps on the plate, 4 volt negative control grid bias.” See also: https://www.radiomuseum.org/tubes/tube_a415.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.324426
label: catalog number
content: 324426
label: accession number
content: 252994
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: 3 1/2 in x 1 3/4 in; 8.89 cm x 4.445 cm