Experimental electromagnetic apparatus
date: label: date made
content: ca 1842
notes: label: Description (Brief)
content: An experimental electromagnetic apparatus. Wooden base on which is mounted a cloth insulated copper coil on two wooden posts, between which is set a magnetic needle (missing) on a third post. A non-ferrous bar is mounted on a stand attached to the side of the base, and wires from the poles of the bar are attached to the coil posts. No extant marks. Supposed to have been used by Professor. Joseph Henry.
label: Description (Brief)
content: This revolving electro-magnetic apparatus was used by Joseph Henry, the physicist who served as founding Secretary of the Smithsonian.
label: Description (Brief)
content: References: Daniel Davis, <i>Manual of Magnetism</i> (New York, 1848), pp. 212-213.
label: Description (Brief)
content: <i>Exhibits of the Smithsonian Institution and the United States National Museum at the Alaska-Yukon-Pacific Exposition, Seattle, Washington, 1909</i>, (Washington, 1909), 21.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.181744
label: catalog number
content: 181744
label: accession number
content: 33204
objectType: label: Object Name
content: Coil
label: Object Name
content: induction coil
label: Other Terms
content: Coil; Magnetic Devices; Electromagnetic Devices; Electromagnetic Devices
physicalDescription: label: Measurements
content: overall: 6 in x 9 in x 6 1/2 in; 15.24 cm x 22.86 cm x 16.51 cm