Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 719
FORTIFICATION. 709 plan has never been practically carried into effect, it is unnecessary to enter into particulars. In thepresent state of the military art, such is the superiority of the means of attack over those of defence,that however strong the works may be, and however skilfully disposed,…
Mechanical engineering
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