11.5" diameter fine copper wire coil
date: label: date made
content: ca 1970
notes: label: Description (Brief)
content: A coil of fine copper wire insulated with cotton thread and wrapped with black velvet, loose-wire terminals (one is detached). No extant markings. A 1909 list records this with other Joseph Henry apparatus.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: From the Smithsonian Institution
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.181548
label: catalog number
content: 181548
label: accession number
content: 32407
objectType: label: Object Name
content: Coil
label: Object Name
content: induction coil
physicalDescription: label: Measurements
content: overall: 1 1/4 in x 11 1/2 in; 3.175 cm x 29.21 cm