. The railroad and engineering journal . Vol. LXIV, No. 9] ENGINEERING JOURNAL. 411 THE DEVELOPMENT OF ARMOR. By First Lieutenant Joseph M. Califf, Third U. (Copyright, iS8g, by M. N. Forney.) {Continued from page 371.) XV.—ARMOR AS APPLIED TO LAND DEFENSES. One of the many lessons taught by the War of the Re-bellion was that brick and granite were no match for rifledcannon. The experience of Fort Pulaski, in 1862, of FortSumter in the following year, confirmed at Strasburgduring the Franco-German War, demonstrated beyond adoubt the vulnerability of masonry before rifled guns ofve


. The railroad and engineering journal . Vol. LXIV, No. 9] ENGINEERING JOURNAL. 411 THE DEVELOPMENT OF ARMOR. By First Lieutenant Joseph M. Califf, Third U. (Copyright, iS8g, by M. N. Forney.) {Continued from page 371.) XV.—ARMOR AS APPLIED TO LAND DEFENSES. One of the many lessons taught by the War of the Re-bellion was that brick and granite were no match for rifledcannon. The experience of Fort Pulaski, in 1862, of FortSumter in the following year, confirmed at Strasburgduring the Franco-German War, demonstrated beyond adoubt the vulnerability of masonry before rifled guns ofvery moderate power, and that the elaborate pdesof stoneand mortar which so long had defied all attack except theslow approach by pick and shovel, had become death-trapsunder the new conditions of warfare. The military engi-neer was perforce compelled to seek some other materialwith which to construct sea-coast and inland advance already made in the application of metal toships of war furnished a solution to the probl


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887