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Scientific American, Vol. 38, No. 20 (1878) (1878)

leaf 5

An illustration from Scientific American, Vol. 38, No. 20 (1878), 1878, leaf 5
through the hol- | running. Mr. H. A. Walker, of Ranaleburg, N. C., has patented - low steel stem of the main valve, and being driven from a! The piston speed is, for all sizes, 500 feet per minute. | improved Saw Cleaner for Cotton Gins, consisting of oe loose eccentric on the shaft with a special…

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