A dictionary of architecture and building : biographical, historical, and descriptive (1902)
Sturgis, Russell, 1836-1909 · New York : The Macmillan company · leaf 555
Fig. Solid Vaulting — Simple. The most an-cient form of vault is that known as the barrel,tunnel, wagon, or cradle vault. Its cross section … Fig. C (Pi,.vn).may lie semiciri-\dar (Fig. 1), semielliptical,.segmental, or ])ointcd (Fig. 2). The semicir-cular form is known also as the cyHiidrical.When it is of stone or brick the leading, or9-JO
Architecture · Architects
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