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 95
herefore the point E is the seat of aresting point. SCHOLIUM II. Fig. 5. From the same given heights, and from the same three resting sections of the rail, there cannot bemore than four intersecting lines by making choice of one resting point from each section. For, suppose we make choice of the… … Lon./,,,,. PuUuktd Jii» I tSiO. /i J T„\l.,r SO. ///<//> lUlxrn gngnmalitJ.BJyba CONSTRUCTION OF THE FACE MOULD. 35 the heights upon D and C; in such a manner that the line thus drawn may not cross the plan cvtnif produced. The same thing may be done through the points D and F, also through…
Stair building · Hand-railing
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
