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Scientific American, Vol. 24, No. 18 (1871) (1871)

leaf 7

An illustration from Scientific American, Vol. 24, No. 18 (1871), 1871, leaf 7
, probably due to the course of the current is fixed to two supporting arms, extending backward from inder. The vertical shaft seen in the open space is the pump that covered them with volcanic material, or perhaps indicat- the shafts, to which latter the arms are attached at a point a ram, which… … board fastened to the under side obtained by opening the lower valve of the shafts just in front of the the most. body of the cart. It is impossible for the body to play from The steam piston is about twice the diameter of the pump ram, which is cast in connection with it; and is hollow, hay- side…

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