A WEEKLY JOURNAL OF PRACTICAL INFORMATION IN ART, SCIENCE, MECHANICS, CHEMISTRY AND MANUFACTURES. YORK, “MAY 14, 1864. SINGLE COPIES SIX CENTS. Vol. X.--<No, 0%) NE $3 PER ANNUM—IN ADVANCE. (NEW SERIES.) ~ Adjustable Punching Press. collar, M, which is fastened to the shaft by set screws. | of…
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