Viollet-le-Duc, Eugène-Emmanuel, 1814-1879, Van Brunt, Henry, 1832-1903 · Boston : Ticknor and Co. · leaf 98
Fig. 10.—Combination of Iron and Masonry Construction.—Method of Vaulting. 70 feet for instance—without exerting any thrust, not needingany considerable amount of centering, not occupying a greatheight, allowing large openings for light at a lofty elevation above … Fm. 11.—rian of Vaulting the floor, more arcliitectural than the vaultuig given in figiu-es6, 7, and 8, and in which iron is employed merely as supportsand ties—economically, therefore,—we shall have to resort to LECTURE XIL 79 contrivances differing from those adopted by the Romans orthe mediasval…
Architecture
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