variable capacitor
notes: label: Description (Brief)
content: Marked: "JB" on top. An adjustable plunger set in a stand, moves within a glass cylinder into a metal cup at the bottom. Two contacts, one on top plate, the other on the base plate. This may be a variable condenser, or possibly an electrolytic detector.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.241556.669
label: accession number
content: 241556
label: catalog number
content: 241556.669
objectType: label: Object Name
content: radio component
physicalDescription: label: Measurements
content: overall: 3 3/4 in x 1 3/4 in x 1 3/4 in; 9.525 cm x 4.445 cm x 4.445 cm