Triumphs and wonders of the 19th century, a volume of original, historic and descriptive writings showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress (1901)
Boyd, James Penny, 1836-1910 · Philadelphia, A. J. Holman & co · leaf 314
War of Secession the heaviest gun in the UnitedStates was the 15-inch Rodman, the projectile of which weighed 320 lbs., thecharge of powder weighing 35 lbs. Next to this was the 10-inch Columbiad,which fired a 100-lb. shell with a charge of 18 lbs. of powder. The effectiverange of these guns was a… … OLD SMOOTH-BORE MORTAR. in use, manipulated by means of handspikes, and not only was much lesspowerful, but was much more clumsy than the admirable mortar of thepresent day. The Crimean and Italian wars had foreshadowed the passing away of theold military conditions and the dawning of a new era of…
Progress · Inventions
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