Gothic architecture in France, England, and Italy (1915)
Jackson, Thomas Graham, Sir, 1835-1924 · Cambridge, University Press · leaf 46
ig. 1) drawnacross the bay, compartment, orarticulation of the structure. Thesediagonal lines are the groins, whichform a projecting edge or arris, fromwhich the two cylindrical surfaces recede on each hand.These groins, obviously, can only lie straight over the true 1 e.g. Fergusson, Hist, of… … Fig. 1. en. 11] THE GOTHIC VAULT 21 diagonal lines when the two semi-cylindrical vaults are ofequal span. Were they unequal the line of intersectionwould not be straight, but wavy, and not only unsightly, butdifficult to construct and unsubstantial when constructed.The usual plan therefore was to…
Architecture, Gothic
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