Edison General Electric 6kw direct current motor
date: label: date made
content: ca 1891
name: label: associated person
content: Edison, Thomas Alva
label: maker
content: Edison General Electric Company
notes: label: Description (Brief)
content: Nameplates read: "Edison General Electric Co. / Schenectady Works / 6 Kilo Watt / Voltage 125 No. 1035"; and "Edison System / Patented / Dec. 23, 1879. Aug. 22, 1882 / Sept. 19, 1882, Oct. 10, 1882." A 6 kilowatt dc motor with two circular field magnets with curved pole pieces arranged vertically. The armature rotates below the field magnet axis, and contains the common segmented commutator with carbon brushes and adjustable rocker arm. Brushes are close-spaced carbon type with four clamper-type holders. One clamp appears to be bent. A rocker arm switch assembly with associated field and commutator voltage terminals mounted on top a wooden crosspiece. Armature insulation worn. Reference: Instructions for Installing and Operating Bi-Polar Generators for Incandescent Lighting (Schenectady: General Electric Co.,1894). The generator's construction appears identical to the motor's. See picture of factoryproducing these machines in J. W. Hammond, Men and Volts., page 166.
setName: label: See more items in
content: Work and Industry: Electricity
label: Exhibition
content: Lighting a Revolution
label: Exhibition Location
content: National Museum of American History
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.319260
label: catalog number
content: 319260
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: 34 in x 21 in x 40 in; 86.36 cm x 53.34 cm x 101.6 cm