Gould, Lucius D., b. 1814. [from old catalog] · New York, A.J. Bicknell & co. · leaf 144
the jointat 5 is shown at L, Fig. 4. The length of curve on the plan, required for the mould, at the landing,is found at Fig. 6. From the point A, draw the pitch line parallel to C D,Fig. 2, indefinitely; set up from the line A L, the height of four risers, to thefloor; set up from the floor to…
Stair building
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