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endless chain

A device for hauling coal in which a chain passes from the engine along one side of the road, around a pulley at the far end, and back again on the other side of the road. Empty cars, attached to one side of the chain by various kinds of clips or hooks, are hauled into the mine; loaded cars attached to the other side of the chain are hauled out of the mine.

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  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 puntos
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