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  2. SECTION AND PLAN

    THE above illustrations show the modes of securing the gold adopted by the Port Phillip Company, at Clunes, they may be of service to those at a distance, who find it inconvenient to visit these extensive works. ... [ILLUSTRATED]

    Article : 1,168 words
  3. DESCRIPTION (WITH ILLUSTRATIONS) OF AN IMPROVED SHAPE OF FLUTED CRUSHING ROLLERS, AND METHOD OF FITTING UP THE SAME.

    THE wearing of rollers for crushing purposes takes place in the direction of the greatest friction, or in lines around the periphery of the roller. Therefore a much-worn plain roller shows the shapes of teeth and ... [ILLUSTRATED]

    Article : 744 words
  4. DESCRIPTION OF A DISENGAGING CATCH FOR ENSURING THE DISENGAGEMENT OF THE MINER'S SAFETY CAGE FROM THE WINDING-ROPE IN THE ACT OF OVER-WINDING, AND ITS NON-DISENGAGEMENT IN EVERY OTHER CASE.

    ALL previous disengaging catches which I am acquainted with are subject to the serious defect of disengaging sometimes when it is not wanted, or of not disengaging when it is wanted, and the means taken ... [ILLUSTRATED]

    Article : 939 words
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