Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 684
Fig. 1622. Fig. 1623. … Fig. 1624. Fig. 1625. Fig. 1626. trefoil (Fig. 1625), and the square-headed trefoil (Fig. 1626). The points c aretermed cusps. The semicircular arch is the Roman Byzantine and Norman arch; the ogeeand horseshoe are the profiles of many Turkish and Moorish domes ; the pointedand foliated arches are…
Mechanical drawing
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