RCA type 12SF5 developmental vacuum triode
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A 6-pin base with plastic insulator and center post, metal T-shaped envelope. Paper label reads: "This Developmental Radio Tube / 12SF5 / is for laboratory and experimental purposes / only, and is subject to return upon request. / It is the property of / RCA Radiotron Division / RCA Manufacturing Co., Inc. / Harrison, N.J. / Form 9211-R1 N.H.G." The RCA sleeve the tube is packed in may or may not be original to the unit. Reference: https://www.radiomuseum.org/tubes/tube_12sf5.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.314000
label: catalog number
content: 314000
label: accession number
content: 195337
objectType: label: Object Name
content: vacuum tube
label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 1 1/4 in; 6.35 cm x 3.175 cm