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Scientific American, Vol. 16, No. 20 (1867) (1867)

leaf 3

An illustration from Scientific American, Vol. 16, No. 20 (1867), 1867, leaf 3
riction on the may be allowed, and the details calmly considered in fresh metal. Repeated meltings will change the size of the crys- lands of the rifling must be very great, and the action of the paragraphs. We are now as exhausted as the hero of old, tals; it is therefore necessary that the… … are incompressibly hard and ture, swelling the sabot. infinitely rigid. “But,” it has If a gun be loaded, the projectile having a papier maché sa- burst the gun; but the wedging of the fragments disengaged been argued, “it is impossible to imagine an atom so small bot, and not fired until several…

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