. Elektrische Traktion für Eisenbahnzüge; ein Buch für Studenten, Elektro-und Maschinenbauingenieure, Superintendenten der Triebkraft und andere .. . Motive werden vorgestellt:1880 fuhr Edison im MenloPark eine Reihe von Versuchslokomotiven mit Kraft aus einem Dynamo. Die Lokomotive 1880 befindet sich jetzt am Polytechnischen Institut Brook-lyn. 1882 beauftragte Henry Villard, Präsident^ des Northern Pacific R. P.., eine elektrische Lokomotive für den Güterdienst in den Dakotas. Es wurde von Edison mit einer Serie belted220-Volt, 10-h. p. Motor ausgestattet und gezogen drei-Auto-Züge, Strom durch die beiden tr
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. Electric traction for railway trains; a book for students, electrical and mechanical engineers, superintendents of motive power and others .. . motives is presented:In 1880, Edison ran a number of experimental locomotives at MenloPark with power from a dynamo. The 1880 locomotive is now at Brook-lyn Polytechnic Institute. In 1882, Henry Villard, President^ of theNorthern Pacific R. P.., contracted for an electric locomotive for freightservice in the Dakotas. It was equipped by Edison with a series belted220-volt, 10-h. p. motor and hauled three-car trains, power being suppliedthru the two track rails. Hammer, in Elec. World, June 10, 1899, andElec. Review, July 23, 1910, gives photos, drawings, and maps. In 1883, Edison, Field, Mailloux, and Rea operated a geared andbelted 3-ton electric locomotive, The Judge, using a third-rail con-tact line, over 1550 feet of track at the Chicago Railway Exposition andat the Louisville Exposition. A Weston dynamo and motor were used.St. Ry. Journ., March 5, 1904, p. 451; December 10, 1904, p. 1035. In 1883, Daft ran a successful small standard-gage locomotive HISTORY OF ELECTRIC TRACTION 41. Fig. 9.—Edison Electric Locomotive, 1880, Positive and negative rails; armature belted to axle. mm^^. y4 ^ fWL :/ .^xsss^ Fig. 10.—Improved Edi.son Electric Locomotive, 1882.A steam locomotive designer had been employed. 42 ELECTRIC TRACTION FOR RAILWAY TRAINS between Mt. McGregor and Saratoga, N. Y., 12 miles, and hauled aregular 10-ton steam passenger car. A double-belted, 130-volt, 15-h.p. motor with countershafts was used, and a third rail. In 1884, Daft operated locomotives and coaches, in experimental work, on a 2-mile road between Baltimore and Hampden. The motors on twoelectric locomotives were a 130-volt, direct-current type. The gearingused was single-reduction, with cut steel pinions and cut cast-iron gears.The third rail was used, also an underground trolley. Horatio A. Fosterinstalled the equipment. Elec. World, March 5, 1904.
