Don Mills, Ont. : Southam-MacLean Publications · leaf 34
egularly until it reaches the12th tread, but here regularity ceases and the right-liand end of the tread is made 1^4 in. wider and theleft-hand end ^ in. narrower than its predecessor.The next two are the same and then come the winders. A careful examination of the layout for the right-hand string… … Fig. 2—Side View of Stairs drop for the winders, the nosings recede from the edgefarther at each step. Just the reverse occurs on the left-hand side, wherethe treads are narrowed, and from the point b to theintersection of the winders the nosings advance towardthe edge of the string. In this case…
Furniture industry and trade · Woodworking industries
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