. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. encted at the |.assongcrs shed of the Croydon railwiivstation. The figure E is a section through a cast iron s eket taking the hiads of the prin-cipals, and through which passes a wrought iron king bolt, shown in ])osition at J). 2044. In all the cases given, the roof is supposed to receive no support from anybut the external walls, and the trusses to be in most cases not more than 10 feet ajiart. 20)5. Ilie reader wlio desires to b. come acquainted
. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. encted at the |.assongcrs shed of the Croydon railwiivstation. The figure E is a section through a cast iron s eket taking the hiads of the prin-cipals, and through which passes a wrought iron king bolt, shown in ])osition at J). 2044. In all the cases given, the roof is supposed to receive no support from anybut the external walls, and the trusses to be in most cases not more than 10 feet ajiart. 20)5. Ilie reader wlio desires to b. come acquainted with other examples, is rccomuicndedto the works by Krafft, Art de la Cliarpente, and C/iarpentaie; Ilondelet, UAit de Butir. andits continuation l)y Bloutt ; , Art de la CharpKidcrie; Tredgold. Carj eiitt/; Newhuul,Caiptnfers and Joiners Asshtiid, to which work we are indebtid for tlie above new ex-amples ? and 7%p Doctrines of Carpentry Expained—of a Roofhy VVaddington,in the Papers of the Cor] s of Royal Engineers, 1849, x. 71-15-. -046 y%. 09j rjprcsents a roof designed by J. Gibbs. From the centres of cohmins the. 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 w
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Keywords: ., bookcentury1800, booksubjectarchitects, booksubjectarchitecture
