. The Encyclopaedia Britannica; ... A dictionary of arts, sciences and general literature. ucedby rectangular staircases, .with ornamented railing andnewels. In Gothic structures scarcely any other kindcan be adopted with propriety for a principal architecture admits of greater latitude in thisrespect,—the end of the staircase being sometimes circular,and the hand-rail continued, beginning from either a scrollor a newel. When a rectangular staircase has a continued rail, it isnecessaiy thatit should be curved so as to change graduallyfrom a level to an inclined direction. This
. The Encyclopaedia Britannica; ... A dictionary of arts, sciences and general literature. ucedby rectangular staircases, .with ornamented railing andnewels. In Gothic structures scarcely any other kindcan be adopted with propriety for a principal architecture admits of greater latitude in thisrespect,—the end of the staircase being sometimes circular,and the hand-rail continued, beginning from either a scrollor a newel. When a rectangular staircase has a continued rail, it isnecessaiy thatit should be curved so as to change graduallyfrom a level to an inclined direction. This curvature iscalled the ramp of the rail. The plan of a staircase ofthis kind is represented by ^|^ABCDinfig. 101; and shows a section of it,supposing it to be cutthrough at a b, on the hand-rail is supposedto begin with a newel atthe bottom, and the formof the cap of the newelought to be determined sothat it will mitre with thehand-rail. Let H in be the section of the hand-rail, and a 6 the radius ofthe Dewel: then the form of the cap may be traced at 4—19. -Plau of RectangularStaircase. <.<T^ C. The sections of hand-rails are of various shapes; soineof the most common ones are too small; a hand-rail sliouid never be less than wouldrequire a square of whichthe side is 2^ inches tocircumscribe it. For thelevel landings of a stair-case the height of thetop of the hand-railshould never be morethan about 40 inches,and in any part of theinclined rail the heightof its upper side above
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectencyclo, bookyear1902
