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construction, for we make them exactly aliks in all points;—for they always consist of two faces, making a salient angle, with the gorges, not straight, but in form of a crescent.—Where then lies the difference? (quoth my father, a little testily.)—In their situations, answered my uncle Toby:—For when a ravelin, brother, stands before the curtin, it is a ravelin; and when a ravelin stands before a bastion, then the ravelin is not a ravelin;—it is a half-moon;—a half-moon likewise is a half-moon, and no more, so long as it stands before its bastion;—but was it to change place, and get before the curtin,—'twould be no longer a half-moon; a half-moon, in that case, is not a half-moon;—'tis no more than a ravelin.—I think, quoth my father, that the noble science of defence has its weak sides,—as well as others.
—As
