valve may readily be changed at will. This is the explanation of the manner in which water may be drawn into the pump by one pipe, and discharged through cither or both of:two nozzles. The mode in which it may be drawn from one either of two fountains or wells, or both of two fountains, is shown … and e’, also into the air chamber, adopted if preferred. I. Thus a constant flow of water This pump is designed especial- into chamber I is maintained ; current downward. The patent for this invention was granted through the Scientific American Patent Agency, April 29, 1862, and further information…
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