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 33
B D in Q; make ES equal toE Q, ER equal to E P: then with the greater axis P R, and the lesser axis Q S,describe the ellipse P Q R S, which is that required to be done. PROBLEM XII. To draw the Representation of an Ellipse with Compasses, the ttco Axes being given in Position. First, by finding an… … ,1 Published. Jiau I 1X0 >i J Tiylar :■■> H,, SECTIONS OF PRISMATIC SOLIDS. If In the quadrant E C of the curve, find the point D in the curve hy Problem VIII.third method. Join C D (or suppose it to be joined), and bisect C D by a perpendicularmeeting C F produced in I; from I, with the…
Stair building · Hand-railing
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