. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. and subject to driving rains, it becomes necessary to take extra precautions to prevent thewet being blown through the joints at the bottom and the sides. To effect this object, thestiles, rails, and frames are beaded and siuik in various tnanners ; some are shown in/iys. 7S0rt. and 7806., sills and bottom rails. For the latter, a water bar\s now much The next improvement is perhaps that of affixing to the leaf which is first openedan uj
. An encyclopaedia of architecture, historical, theoretical, & practical. New ed., rev., portions rewritten, and with additions by Wyatt Papworth. and subject to driving rains, it becomes necessary to take extra precautions to prevent thewet being blown through the joints at the bottom and the sides. To effect this object, thestiles, rails, and frames are beaded and siuik in various tnanners ; some are shown in/iys. 7S0rt. and 7806., sills and bottom rails. For the latter, a water bar\s now much The next improvement is perhaps that of affixing to the leaf which is first openedan ujjright bar, wliich turns, and on being closed, fits against the other leaf, and by a hook at top and bottom effectually fastens bothleaves. A similar method is shown inJig. 780c., adopted at Pisa, as given in thePapers of the Royal Engineers, x. upright square reeded bar D, ismoved to or from the sash, as the win-dow is required to be opened or shut ;the top and bottom of tlie bar beingrounded, as shown at E, so as to slide^?^^ —i \ into two segmental plates F, secured. iVX Fig 750i to the sill and lintel. 1 is a plan of the two case-ments, and 2 a plan of the head and sill. 2165</. The best arrangement is that of theEspagnolette bolt, which is made of brass, and actsin the same manner as that of the bar above men-tioned. 1 here are several other contrivances ofa similar kind to effect the object, but the ahove efi4 TIIEOUY OF ARCIIITECTUKE. Book II. iire those in most gciicral use. There is also a late invention for ibiming tlie l)olt into aplate, and setting it in a groove in tlie edye of tlie meeting stile, a corresponding groovel)uing formed in the other stile to receive its half of the phite wlien moved forward bytlie handle in closing the casement. This, at the san»e time, forms a weather bar. (Seejiar. ) ^ Yhefig. 780a. is a section of an ordinary arrangement in France for a is the lilan, taken across the middle of the height, near t
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Keywords: ., bookcentury1800, booksubjectarchitects, booksubjectarchitecture
