Amrad model C1 spark coil
date: label: date made
content: ca 1920
name: label: maker
content: American Radio & Research Corporation
notes: label: Description (Brief)
content: Amrad model C1 spark coil. Marked: "American Radio and Research Corporation / Sales Office - New York, N.Y. / Plant - Medford, Mass. / Type C1 No. 168". A cloth covered induction coil with interrupter on the side and an adjustable spark gap on top. The primary winding operates on 32 volts. Original sale price $38.50. Reference: Radio Amateur News (June 1920), page 709.
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.320840
label: accession number
content: 241556
label: catalog number
content: 320840
objectType: label: Object Name
content: spark coil
physicalDescription: label: Measurements
content: overall: 8 in x 12 in x 5 in; 20.32 cm x 30.48 cm x 12.7 cm