Minor Publications Volume 4493-4555

Minor Publications Volume 4493-4555

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1907 edition. Excerpt: ...current 500 volt series motors. The Delaware, Lackawanna & Western R. R. Company employ 40 electric hoists at their coal mines in Scranton and the vicinity. The hoists are equipped with direct current motors and also a number with induction motors. The American Argieultural Company use a number of alternating and direct current hoists on their docks for unloading fertilizer material. 45 18.4-4 Electric Hoists The O'Rourke Engineering and Construction Company use electric hoists almost exclusively for their extensive building operations in New York City. Twenty-eight hoists are in operation at the Church St. Terminal of the Hudson & Manhattan Railroad Company, New York, and in constructing the City Investment Building. Cortlandt and Church Sts., New York. The Bush Terminal Company and the New York Dock Company use a large number of electric hoists. The Boston Edison Company, Atlantic Street Station employ two-motor double friction drum, direct connected high speed coal hoists for dock work, which will lift 8,000 lbs. of coal 800 ft. per minute. The hoist is equipped with two l'1P-6-1(l()-150 r.p.m. 250 volt series GE motors operated by a foot controller on the Ward-Leonard System. When the load has been hoisted. a double friction drum hoist equipped with two MP-6-40-200 r.p.m. 250 volt motors with standard series parallel controller, trolleys it in along the boom. The Boston Elevated Railroad Company use two combination hoists and traveling coal bridges on the dock at their Albany St. Station, which are equipped with General Electric motors. This equipment is used for hoisting coal from lighters and also to convey it to the storage over the coal loading sheds. The United Railway & Electric Company, Pratt St. Station, Baltimore, ...show more

Product details

  • Paperback | 82 pages
  • 189 x 246 x 4mm | 163g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236908619
  • 9781236908612