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Scientific American, Vol. 4, No. 21 (1861) (1861)

leaf 3

An illustration from Scientific American, Vol. 4, No. 21 (1861), 1861, leaf 3
o24 Fort Pickens—Embrasures and Casemates. the external opening. those generally found in European fortifications. AS embrasure flares both ways. obtuse angle was obtained … liable to be broken by the enemy’s shot. ‘This is the vuless the embrasures or openings through which the Fla., and is now besieged by several thousand seces- cannon me fired are made faring. It has been the style of embrasure in all of our fortifications which sionists, though it is thought, since…

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