. Machinery for metalliferous mines : a practical treatise for mining engineers, metallurgists and managers of mines. 15.—The Pelton Waterwheel. Three Nozzle Reversible. use for hoisting purposes, as in double winding shafts or inclines, wherethis arrangement admits of using all the streams when starting the load,and shutting off one or more when it rises ; affording thus economy ofwater, and perfect control of the cages or trucks. A good arrangement of two reversible hoist wheels keyed on oneshaft is shown in fig. 15. Three streams are applied to each wheel by PELTON WHEEL AND HO
. Machinery for metalliferous mines : a practical treatise for mining engineers, metallurgists and managers of mines. 15.—The Pelton Waterwheel. Three Nozzle Reversible. use for hoisting purposes, as in double winding shafts or inclines, wherethis arrangement admits of using all the streams when starting the load,and shutting off one or more when it rises ; affording thus economy ofwater, and perfect control of the cages or trucks. A good arrangement of two reversible hoist wheels keyed on oneshaft is shown in fig. 15. Three streams are applied to each wheel by PELTON WHEEL AND HOISTING PLANT. 17 a system of triple nozzles, each furnished with independent stop-valves,which are operated by hand levers placed in a convenient position, andconnected by rods and cranks to the valve spindles. The motion canthus be controlled or reversed at pleasure, and adapted to double windingand hoisting purposes. For single hoisting purposes, where the load can be lowered by a. Fig. i6.—Plan of Pelton Wheel and Hoisting Gear.
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