Philips type A425 "Miniwatt" vacuum triode
date: label: date made
content: ca 1927
name: label: maker
content: Philips
notes: label: Description (Brief)
content: A 4-pin brown plastic base, brass banana pins, tipless S-shaped envelope. Stamped: "A425 / Philips / Miniwatt / 3,4-4,0V / 15-120V. / -138-" Paper label with collection #5m-56. Reference: https://www.radiomuseum.org/tubes/tube_a425.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.315582
label: catalog number
content: 315582
label: accession number
content: 216300
label: model number
content: A425
label: collector/donor number
content: 5m-56
objectType: label: Object Name
content: electron tube
label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 4 7/8 in x 1 1/2 in; 12.3825 cm x 3.81 cm