Improved Cannon and Projectiles. CORNING WINSLOW & CO.'S SEMI-STEEL CANNON AND PROJECTILES. . s e . TARGET 40 BY 20 FEET. larged sectional view showing the bore and Fig. 4 represents the projectile. The projectile is cast with wings nearly filling the grooves and banded with hard prepared leather to prevent windage. The do peaalon.at B is ridged to correspond with the wings on the hall and tapers towards the apex of the cone ets while in a moistened state and subsequently TOP TARGET 15 BY 15 FEET., scientific american, 1861-11-02
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