Sears "Silvertone" type 247 vacuum pentode
date: label: date made
content: ca 1935
notes: label: Description (Brief)
content: Sears distributed these tubes but they were made by another company. A 5-pin plastic base with S-shaped envelope in original box. Stamped on base: "Silvertone / -247-24X."
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Susan Horle
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.314012
label: catalog number
content: 314012
label: accession number
content: 195337
objectType: label: Object Name
content: vacuum tube
label: Object Name
content: Electron Tube
label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Physical Description
content: cardboard (box material)
label: Measurements
content: box: 6 1/4 in x 2 3/4 in x 2 5/8 in; 15.875 cm x 6.985 cm x 6.6675 cm
label: Measurements
content: tube: 5 1/4 in x 2 in; 13.335 cm x 5.08 cm