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 28
Lontlei GEOMETRICAL PROBLEMS. 16 First Method, zvith a String. Fig. 2. From the point C, with a radius equal to A E or E B, half the greater axis, de-scribe two arcs cutting A B atyand F; then double a string and place the bent partround a pin at F; then stretch the string along the axis towards A…
Stair building · Hand-railing
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.