s to the pumps. working hours of the day, not only without offense but not become obstructed, the hose being of three inches in- side diameter ; but in cases where a large quantity of tough eral methods of exhausting the tanks have been employed, The chief point of novelty in the pump employed lies… … ing it, or by filling the tank with perfect control. water and discharging it through The rods, E, moving the piston, atube, having its outlet some 35 or 40 feet below. All of the valves. Virtually, these appliances, by their construction are pleced at the sides of the pump, and do not obstruct the…
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