Zenith type 59 triple grid power amplifier tube
date: label: date made
content: ca 1934
name: label: maker
content: Zenith
notes: label: Description (Brief)
content: A 7-pin plastic base with domed envelope, partly silvered, aquadaq coating. Marked on base: "Zenith / .CK4."; stamped on envelope: "59 / Made in / U.S.A."; paper label: "Sylvania / Set tested radio tubes / Good [checked] Doubtful Bad / Date [blank] / John Bengston / Rock Island, Ill. / Phone: R. I. 555" Written on top: "N.G." [No Good]. Mica top plate is a cross shape.
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.241556.763
label: catalog number
content: 241556.763
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: pentode
physicalDescription: label: Measurements
content: overall: 5 1/4 in x 2 in; 13.335 cm x 5.08 cm