Direct current electric motor
notes: label: Description (Brief)
content: Hammer Collection item. Stamped on base: "420507". A two-coil armature rotates in a circular frame which is mounted on a brass pole affixed to a wooden base. A disc-type commutator is utilized on the armature shaft, together with a spring brush. Reference: Armature construction similar to some models shown in Daniel Davis, Manual of Magnetism, Boston, 1848, pages 212 and 216.
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.320507
label: catalog number
content: 320507
label: accession number
content: 241402
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: 12 in x 5 1/2 in; 30.48 cm x 13.97 cm