RCA "magic eye" tube
date: label: date made
content: ca 1940
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: A 7-pin plastic base with center post, T-shaped envelope. No extant maker's marks. A so-called “magic eye” indicator tube for fine-tuning radio receivers.
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.314068
label: catalog number
content: 314068
label: accession number
content: 195337
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: cathode ray tube
physicalDescription: label: Physical Description
content: paper (wrapping material)
label: Measurements
content: overall: 2 1/4 in x 1 1/8 in; 5.715 cm x 2.8575 cm