RCA type 12SH7 "Radiotron" vacuum pentode
date: label: date made
content: ca 1941
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: An 8-pin base with plastic insulator and center post, metal T-shaped envelope. Stamped: “12SH7 / Y4 / [RCA logo] Radiotron / Made in U.S.A.” In package with RCA licensing and patent information - may not be original package. Reference: https://www.radiomuseum.org/tubes/tube_12sh7.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.314034
label: catalog number
content: 314034
label: accession number
content: 195337
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: pentode
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 1 1/4 in; 6.35 cm x 3.175 cm