Western Electric type 246A vacuum tube
date: label: date made
content: ca 1931
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A direct current filament tetrode. Later tubes in this series had the screen made of mesh instead of spiral wire.
label: Description (Brief)
content: "The 246A vacuum tube is a four-element, screen-grid, tube having a filamentary type cathode. The tube is intended for use as a high-frequency amplifier, but may also be used as a low-frequency amplifier or as a detector."
label: Description (Brief)
content: Reference: Western Electric 246A data sheet: https://www.westernelectric.com/s/246A.pdf.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320974
label: catalog number
content: 320974
label: accession number
content: 241556
objectType: label: Object Name
content: vacuum tube
label: Object Name
content: tetrode
physicalDescription: label: Measurements
content: overall: 5 in x 1 3/4 in; 12.7 cm x 4.445 cm