the time of ing, the shell would have a wall of 5 inches thickness at the present time :— and weight of about 410 ibs. The windage is one- loading and running into battery was, in one case, The fifteen-inch gun, at Fort Monroe, was cast at 1 minute and 10 seconds ; in another, 1 minute and tenth… … RODMAN’S MAMMOTH CANNON. method of Captain T. J. Rodman, of the Ordnance connected with solid castings of large masses), and it the time of loading—including depressing, sponging, Corps, to whose perseverance, zeal and laborious in- is believed a shell of this thickness would present the loading,…
Internet Archive · Public domain (published before 1931). Free to use for anything.
