A treatise on the construction of staircases and handrails ... Preceded by some necessary problems in practical geometry; with the sections and coverings of prismatic solids (1820)
Nicholson, Peter, 1765-1844 · London, J. Taylor · leaf 82
g of the radius, which forms the curves ofthe two sides of the plan, cutting the concave side at g; draw gg perpendicular to apand fg parallel to ap; then g is the point in the projection of the concave side corre-sponding to J, the projection of a point in the convex side. The same description… … um.i„. PuW* **-.*** >? J T^r ■- :,h Br // /<>/4<-f/<>n f. ///<■ . /<////< y4~) PLATE
Stair building · Hand-railing
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
