A text book of geometrical drawing : abridged from the octavo edition : for the use of schools in which the definitions and rules of geometry are familiarly explained, the practical problems are arranged from the most simple to the more complex, and in their description technicalities are avoided as much as possible : with an introduction to isometrical drawing : and an essay on linear perspective and shadows ... (1849)
otherend at D. 5th. From D, through the points 1, 2, 3, in A. S,draw^ lines to intersect the lines 1, 2, 3 drawn from thedivisions on A, i, and in like manner through B. S,to intersect the lines from B. M, These points of in-tersection are points in the curve. 6th. From C, through the divisions 1,… … W-MimOe.. IHtnan Ec S nns PLATE XX. 65 7lh. Through the points of intersection, trace thecurve. Note.—If required on a small scale, the curve can be drawnby hand ; but, if required on a large scale, for practical purposes,it is best to drive sprigs at the points of intersection, and bend athin…