Thomson single-phase direct current. induction motor
date: label: Date made
content: 1887
name: label: maker
content: Thomson, Elihu
notes: label: Description (Brief)
content: No extant maker's markings. Early form of a single-phase induction motor constructed by Elihu Thomson in 1887. The motor frame is circular and built from laminated metal sheets. Two oil feed cups are used, one on each pedestal. Part of the brush rigging is missing from specimen. Six flat field magnets are mounted under the laminated sheets. The commutator has six sections.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from General Electric Company
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.181721
label: catalog number
content: 181721
label: accession number
content: 33185
objectType: label: Object Name
content: motor
label: Object Name
content: electric motor
label: Object Name
content: motor, single phase induction
physicalDescription: label: Measurements
content: overall: 16 in x 13 in x 18 in; 40.64 cm x 33.02 cm x 45.72 cm