Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 410
Fig. 124. Arrangement of Risers Around Well-Hole with Rad-ius Larger Than One-Half Width of Tread. 332 STAIR-BUILDING G9 of this circle indicates the width of the curve at this point. The widthat each end is determined by the bevels. The distance a b, as shown … Fie. 125. Arrangement of Risers around Well-Hole, with Risers SpacedFull Width of Tread. upon the long edge of the bevel, is equal to ^ the width of the mould, andis the hypotenuse of a right-angled triangle whose base is ^ the width ofthe rail. By placing this dimension on each side of n, as shown…
Architecture · Building
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