RCA type 12SA7 "Radiotron" pentagrid converter
date: label: date made
content: ca 1940
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A metal shell base plastic insulator and eight pins. T-shaped envelope, mica supports, mesh grid. Pentagrid converter. Marked: "RCA Radiotron / Made in U.S.A. / 12SA7 / XE1 / Licensed / as stated / on carton". Reference: https://www.radiomuseum.org/tubes/tube_12sa7.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.313887
label: catalog number
content: 313887
label: accession number
content: 195337
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: vacuum tube
label: Object Name
content: heptode
physicalDescription: label: Measurements
content: overall: 2 3/4 in x 1 1/4 in; 6.985 cm x 3.175 cm