Unidentified dc motor
date: label: date made
content: ca 1895
notes: label: Description (Brief)
content: No name plates or maker's marks. This machine has two sets of three-unit field magnets (flat type) on each side of a rotating central armature. Copper brushes are used on the commutator. A drive wheel for belt coupling is affixed to the shaft. The brush rigging on this specimen is bent and in need of repair. A knife switch is mounted on the top of the motor. Four binding posts are affixed to a wooden bar on top of the square type frame.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Brown University, Div. of Engineering thru George M. Smith
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.319271
label: catalog number
content: 319271
label: accession number
content: 235101
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: 15 in x 15 in x 16 in; 38.1 cm x 38.1 cm x 40.64 cm