Bi-polar direct current motor
date: label: date made
content: ca 1880
notes: label: Description (Brief)
content: Small bi-polar direct current motor on a iron frame with commutator on one end of the armature, grease cups at both ends. Armature mounted below two cloth-insulated field poles. Brushes and one brush holder missing. Two holes on top may have been for a nameplate. No extant markings.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from International Business Machines, Inc., William J. Hammer Collection
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.241402.09
label: accession number
content: 241402
label: catalog number
content: 241402.09
objectType: label: Object Name
content: Motor
label: Object Name
content: electric motor
label: Other Terms
content: Motor; Motors and Generators
physicalDescription: label: Measurements
content: overall: 9 in x 11 in x 5 3/4 in; 22.86 cm x 27.94 cm x 14.605 cm