Srientific American. 402 actually copied from them. This, we hold, with perhaps Krupp’s pivot guns; and that A. Archibald, and presented … against the use to which such cross section over the other Fig. 1—GROUP OF ANCIENT BUILT UP WROUGHT IRON GUNS. anticipations are apt to be guns. The interior ring is put. We hold that if a suc- gun metal at this portion of never suspected until worked down while hot at their edges, out to a…
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