Bh. ehon Loann/a a rer MTT SINGLE COPIES SIX CENTs, NEW YORK, APRIL Ul, 1863, VOL. VIII.---N0. 15. ; $3 PER ANNUM—IN ADVANCE. (NEW SERIES.) … machinery, and the fitness with which tools exeeute sort to machines and instruments that move in obe- It has been our aim to present, from time to time, those operations which where formerly thought im- dience to known laws, and which can no more fail, a faithful record of the progress of our…
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