er. By making all the interior con- ing to the power applied to work it— pumps are applied. One of these pumps, tact surfaces very smooth, this pump may be It contains no valves, and can be used ten inches in diameter, is employed on the Improvemeat In Rotary Pumps. for forcing water into steam… … the well. Wisconsin, and is driven by a windmill. and is very durable. For a great number of Fig. 3 is a horizontal section of the pump, With a good breeze, it fills two tanks hold- our railroads it appears to be such a pump showing various parts ; fig. 4 is a detailed ing 24,000 gallons of water,…
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