. American engineer and railroad journal . 37-IN. BORINU MILL.—BULL.\RU MACHINE TOOL BY A ) CROCKER-WHEELER MOTOR. arranged for raising and lowering the cross rail by table has two pairs of independent dogs, the extra pairon the rear side of the table, operating with an extra beltshifter lever; hinged to each shifter lever is a special tripwhich may be lifted when it is desired to run the table for-ward without disturbing the rear dog. In this way the work.

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering