Viollet-le-Duc, Eugène-Emmanuel, 1814-1879, Van Brunt, Henry, 1832-1903 · Boston : Ticknor and Co. · leaf 99
upporting struts, the lines comiecting the points ah c d thatof the frame, and the line e/that of the tie. If we turn archescorresponding with the lines a h, a d, d i, h g, h c, c h, a h, d c,we shaU have a cluster of arches on which we shall be able toerect the round dome A, a square dome over the… … Fio. 12.—Combined Iron and Jlaaouiy Construction.—Section of Vaultiui;. The section, figure 12, through o p at A and through o s atB, explains this system ; but it will be still better explained bythe perspective view of the interior, Plate XXII. The supportingstruts or slanting columns a (see…
Architecture
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