Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 497
els, etc., for the headof the frame and the head of the sash. Theouter arris of the soffit of the arch is asemicircle (a b, Fig. 1511), and therefore 464 CARPENTRY AND JOINERY. the inner arris becomes elliptical, as shownby c b (Fig. 1511). On x y (Fig. 1513)set up the elevation of the curve c b,…
Carpentry · Joinery
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