variable dry-disc rectifier
date: label: date made
content: ca 1920
notes: label: Description (Brief)
content: No extant manufacturer marks. Dial graduated 1 through 16. A variable disc capacitor wit sixteen 4" diameter discs and a central rotating control dial. Bakelite frame supports.
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.322066
label: accession number
content: 241556
label: catalog number
content: 322066
objectType: label: Object Name
content: variable capacitor
label: Object Name
content: variable condenser
physicalDescription: label: Measurements
content: overall: 2 in x 3 in x 3 in; 5.08 cm x 7.62 cm x 7.62 cm