Sandhurst, Phillip T, Mueller, A. M. J · Philadelphia ; and Chicago : P.W. Ziegler · leaf 472
f its axle by a hard-wood rest, set on end, and working with excellent effect. It is claimed for these wheels that they give a maximum discharge of water with a minimum friction, and produce an actual work of eighty-five per cent, on an average of the absolute work of the fall. The cast-iron… … HEATER AND FORCE PUMP. the engine is dis¬ ing the best re¬ By Poole Gr Hunt. charged into the sults, both in water and there permitted to escape; whereas in the present example the heater is simply connected by a branch-pipe with the exhaust in such a way that a sufficient volume of the exhaust…
Centennial Exhibition (1876 : Philadelphia, Pa.) · Decorative arts · Arts · Machinery · Arts, Modern
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