Bi-polar direct current motor
date: label: date made
content: ca 1895
notes: label: Description (Brief)
content: Two electromagnets with horizontal pole pieces. a rotating armature has split commutator segments on one side to which are affixed two brushes. Adjustable holder. Two binding posts serve as input voltage terminals on top of the frame. No extant maker's markings. Paper found with unit reads: "Small motor found in Washington junk heap - presented as a gift."
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Michael W. Estes
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.317830
label: catalog number
content: 317830
label: accession number
content: 2024.0017
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: 1/2 in x 3 1/2 in x 7 in; 1.27 cm x 8.89 cm x 17.78 cm