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 85
um.i„. PuW* **-.*** >? J T^r ■- :,h Br // /<>/4<-f/<>n f. ///<■ . /<////< y4~) PLATE … • SI ON THE PROJECTION OF THE HELINET. To find the Projection of a Helinet, on a Plane parallel to the Axis of the Cylindrome,and perpendicular to the cutting Plane qfthe Solid. PLATE XXII. Let ABCDEFGHIKLMA (Jig: 1) be the plan of a helinet, the quadrantalpart being BCDEFGHIKLB, and the straight…
Stair building · Hand-railing
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
