Bi-polar direct current motor
date: label: date made
content: ca 1885
label: date made
content: ca. 1885
name: label: maker
content: Edison
notes: label: Description (Brief)
content: No extant maker's markings. Two electromagnet field coils are affixed to curved vertical pole pieces. A rotating armature turns through the field. The armature is slotted with a laminated core. The commutator has six sections; brushes are missing. Appearance is similar to Edison Co., bi-polar dynamos. See, Instructions for Installing and Operating Bi-Polar Generators for Incandescent Lighting (Schenectady: General Electric Co., 1894).
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.320589
label: catalog number
content: 320589
label: accession number
content: 242718
objectType: label: Object Name
content: motor
label: Object Name
content: electric motor
physicalDescription: label: Measurements
content: overall: 8 1/2 in x 5 3/4 in x 11 in; 21.59 cm x 14.605 cm x 27.94 cm