Hygrade Sylvania type 14N7 double triode
date: label: date made
content: ca 1940
name: label: maker
content: Hygrade Sylvania Corp.
notes: label: Description (Brief)
content: An 8-pin metal base with glass insulators and center post, T-shaped envelope, getter flash at top, aquadaq coating. Paper label reads: "Hygrade Sylvania Corp. / RMA Sample / Experimental tube - Not to be Sold." Reference: https://www.radiomuseum.org/tubes/tube_14n7.html.
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.313815
label: catalog number
content: 313815
label: accession number
content: 195337
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: dual triode
physicalDescription: label: Measurements
content: overall: 3 in x 1 1/4 in; 7.62 cm x 3.175 cm