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Scientific American, Vol. 29, No. 26 (December 1873) (1873)

leaf 10

An illustration from Scientific American, Vol. 29, No. 26 (December 1873), 1873, leaf 10
0lbs., o,-6,600 lbs., raised 50 feet. This ought to drive your press50minutesnearly,if attached by ropeand drum to yourshaft. A. M. B. says, in reply to E. R. G.s ques-tion as to how to get the miter at the intersection of araking with a level molding: Of course he Is aware thatthe raking molding… … Is the cut across the box ; the angle 3 is for the side ofbox, the angle 4 is of course the miter for the level mold-ing. Minerals, etc.—Specimens have heenre-ceived from the following correspondents, andexamined with the results stated: J. W. T.—Your sppcimen is iron pyrites, a combinationof…

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