Seeley direct current dynamo
date: label: Date made
content: 1867
name: label: maker
content: Seeley, Charles A.
notes: label: Description (Brief)
content: No extant maker's markings. Four cylindrical field magnets are arranged to energize two pole pieces. A ring-type armature is utilized with two curved commutator segments. Brushes are missing from this specimen. See US Patent 229191, Armature for Magneto-Electric Machines, issued 22 June 1880 to Charles A. Seeley. Claim pertaining to armature: an arrangement of wire radially in a disc to form the armature of a magneto-electric machine. A modification of Arago's disc. References: biography of Seeley, New York Tribune, Nov. 7, 1892; and N.Y. Tribune, March 28, 1867, "Electric Lighting."
label: Description (Brief)
content: Curator George C. Maynard noted: Seeley electric light dynamo, 1867. Devised and sale by Charles A. Seeley, who had an elaborate plan for utilizing the current generated by a dynamo to operate electric lights. It was exhibited to many persons in New York City, including Horace Greeley, who incredulously asked, "does he expect to grind out electric light by turning a crank?"
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: From American Institute of Electrical Engineers / Institute of Electrical and Electronics Engineers
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.181824
label: catalog number
content: 181824
label: accession number
content: 2007.0155
objectType: label: Object Name
content: electrical generator
label: Other Terms
content: Generator; Motors and Generators
physicalDescription: label: Measurements
content: overall: 17 in x 11 in x 12 in; 43.18 cm x 27.94 cm x 30.48 cm