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)
Fifj . 5 . 1 2 S 4^ … Fin.n 12 3^ ^■iriiufir Illwan k Sons PLATE XXVIII. 85 2nd. Through D, draw D. H perpendicular to B. Hycutting the tangent B. C in C 3rd. Through J5, draw B. G parallel to D. H, andthrough D, draw JD. E parallel to H. By cutting G. BinE. 4th. Make E. G equal to E. By and E. F equal toH. Cy join jD.…