Western Electric type 245A screen grid tetrode
date: label: date made
content: ca 1927
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 5-pin base with top contact, screen grid, S-shaped envelope, in original package, includes technical insert. "Western Electric 245-A vacuum tube used with a 134-A vacuum tube socket." Markings: "Western Electric / Made in U.S.A. / 245-A"; "29659" stamped on envelope. "Applications: Carrier-frequency and radio-frequency voltage amplifier, detector, and audio-frequency voltage amplifier." Reference: https://www.westernelectric.com/s/245A.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 Arnold G. Scriuseth
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.334297
label: catalog number
content: 334297
label: accession number
content: 2010.0170
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: tetrode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Physical Description
content: cardboard (box material)
label: Measurements
content: box: 5 3/4 in x 3 1/4 in x 3 1/4 in; 14.605 cm x 8.255 cm x 8.255 cm
label: Measurements
content: tube: 5 in x 1 3/4 in; 12.7 cm x 4.445 cm
label: Measurements
content: : 0 in; 0 cm