imefcausing the wa- the other side, the said current being produced ter to flow up from the barrel, B, to fill the by a fan beneath one side, which forms a par- vacuum produced in the barrel, A; the water tial vacuum in the trunk. Inthe descending by the same motion opens the valve, 1, of the side… … bya of diagonal braces meeting ata This improved pump was patented by the through which the lower part of the piston ter enough to injure the action of the pump point about the centre of the box and connect- rod, f, passes tightly. In the upper section, inventor, A. Barker, on the 17th of last Feb-…
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