American carpenter and builder, august 1906 (1906)
American Carpenter and Builder Co. · American Carpenter and Builder Co. · leaf 42
The elevation of the plan tangent b is shown to in-cline from a to c and the plan crown tangent c to belevel. Riser Riser Riser the radius of the well-hole is longer than one-half thetread. In this case we fix the first riser at a distancefrom b equal one-half a tread as shown. Thus ob-taining the…
Rough carpentry · Architecture · Designs and plans
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