nings beneath them, and quickly closed again a center by the action of the eccentric, E, which, in of the trust deed of Peter Cooper, conveying the by a spring (not shown) attached to the casting, D. turn, is driven by gears, F. The fan, G, in the pump building in which the meeting was assembled to… … in all respects able, pr-sid- connected from the gov- ing officer could be found ernor, one revolution of than Dr. Griscom. If he which will completely open or shut the gate. An advantage in this machine is, by the thumb and finger. This operation lets one men like himself, of learning and…
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