. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. Fig. 696. <T. ix-tiie-fii;lus, westminsteb. middle aisle is .39 ft. 11 in. The roof is well contrived and framed; but the timbers ai estrtinger than they need have been. Tlie scantlings are as follow :—A, principal rafter,1 . in. by 10 at bottom, and 11 in. by 10 at top; B, straining brace, 14 in. by 10 at bottom,and 11 in. I)y 10 at top ; C, king-post, 9 in. by 9; D, strut, 7 in. by 7^; E, queen-post, 8in. by 9.^ ; K, strut, 7 iu. l)y
. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. Fig. 696. <T. ix-tiie-fii;lus, westminsteb. middle aisle is .39 ft. 11 in. The roof is well contrived and framed; but the timbers ai estrtinger than they need have been. Tlie scantlings are as follow :—A, principal rafter,1 . in. by 10 at bottom, and 11 in. by 10 at top; B, straining brace, 14 in. by 10 at bottom,and 11 in. I)y 10 at top ; C, king-post, 9 in. by 9; D, strut, 7 in. by 7^; E, queen-post, 8in. by 9.^ ; K, strut, 7 iu. l)y 7 ; G, tie-bjam, 14 in. by 9^ ; H, post over the column, H 9^ : 1, brace, 7 in. by 7 ; K, brace, 7 in. by 7 ; L, post. 8 in. by 9 ; ]\I, lamtner beain,14 iu. by 9^ ; N, brace, 8 in. by 8 ; P, post in the wall ; Q,QQ., purline rafters, 4 in. by Fi(/. 697. is the section of a roof by James Stuart, about 178,5. The span is 51 ft.,and as a variation from the general forms of roofs, it is worth the students attention. The. --51 Feet. Fig. 697, OREENWICII HOSPITAL scantling of the timl)ers are subjoined. The distance between the trusses is about 7 ft. AHthe joints are well secured uitli iron straps. A.\, tie-hcam, whose whole length is 57 ft.,51 ft. clear between the walls. 14 iu. by 12 in. ; B, an mm king-post. 2 in. bouare j CC, Chap. III. CAIirENTllY. 631 qifen posts, 9 In. by 12; DDDD, struts, 9 in. by 7; E, straining beam, 10 in. by 7; F,Ktrainiiig piece, 6 in. by 7; GG, GG, principal rafters, 10 in. by 7; lihlih, he. purlinerafters for boarding upon instead of rafters; II, a camber beam, supporting the Fig. C9S. exliibits tlie roof of the old Drury Lane Theatre, wliich wai built in
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Keywords: ., bookcentury1800, booksubjectarchitects, booksubjectarchitecture
