Philips type B-2 "Miniwatt" triode
date: label: date made
content: ca 1920
name: label: maker
content: Philips
notes: label: Description (Brief)
content: Four-pin metal base, with tipless S-shaped envelope. Donor’s card reads: “Triode made by Philips of Holland, their Miniwatt brand. Mounted on a conventional US “Shaw” type base of the 1920s. Filament: 1.6 volts at .15 ampere. Asa Class A amplifier; 100 volts at 2 milliamps on the plate, with a 5.8 volt negative control grid bias.” See also: https://www.radiomuseum.org/tubes/tube_b2_philips.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.324424
label: catalog number
content: 324424
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