Armature for motor or generator
notes: label: Description (Brief)
content: An armature for a motor or generator. Steel axle on which is mounted a drum-type assembly of many slotted thin laminated plates separated by copper bars and retained in place by brass endplates. There are 47 slots parallel to the axle, each with a copper bar. Insulation is not easily visible. A key slot is milled on one end of the axle, that end is milled for four layers. The opposite end is threaded and has three layers. There are holes in both ends. "73294" stamped on one axle hub, "5114" on the retaining nut on the opposite hub, "77137" on end of axle.
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.319289
label: catalog number
content: 319289
label: accession number
content: 235101
objectType: label: Object Name
content: Armature
label: Other Terms
content: Armature; Components; Motors and Generators; Motor and Generators; Motor and Generators
physicalDescription: label: Measurements
content: overall: 12 in x 4 1/2 in; 30.48 cm x 11.43 cm