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)
Fuj.Z. ^ c \^ ^ ^^^^ ^\!/k F H~i/ 4 3\ Z 1 // ~ ^> 4 E V>-^ D -^-^^ 7%..5 … M/ if7«z;7y^. RhnjjnkSons. I PLATE XIL 47 PLATE XII. TO DESCRIBE OVAL FIGURES COMPOSED OFARCS OF CIRCLES. Problem 39. Fig. 1 The length of the Oval A. B. being given^ to describe an Oval upon it, 1st. Divide A. B the given length, into three equalparts, in E and F, 2nd. With one of those parts for…