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)
M H. … l71;yuui.ScSo:^ PRACTICAL GEOMETRY. PLATE I. DEFINITIONS OF LINES AND ANGLES, 1. A Point is said to have position without magni-tude ; and it is therefore generally represented to theeye by a small dot, as at A. 2. A Line is considered as length without breadth orthickness, it is in fact a…
