Medieval architecture, its origins and development, with lists of monuments and bibliographies (1909)
Porter, Arthur Kingsley, 1883-1933 · New York, The Baker and Taylor Company · leaf 57
III. 9. — Diagram of the Groin Vault … 18 THE GROIN VAULT centering of the desired form may be placed beneath and touch-ing the groins, and a vault built thereon in a manner preciselysimilar to the procedure in the case of a barrel vault. Thisvault would be carried from the keystone in all four directions,being bounded by the groins.…
Architecture, Medieval
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![An illustration from Cours d'architecture enseigné dans l'Academie royale d'architecture : premiere[-cinquième] partie ... (1675)](https://img.insideoutlibrary.com/img/200/ia-coursdarchitectu00blon-552-454.webp)
