OR NUMBER 11. VOLUME XI. THE Scientific American, PUBLISHED WEEKLY … WMP) Norga mn Jat on the bottom of the vessel, A. For conve- — nience of removing or changing this iron plate, ee eee and to prevent waste of iron, it is made to cor- respond in size to a circle a little wider than entering the hopper, in which the largest and which the shaft, 4, passes; and…
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