A text book of geometrical drawing, for the use of mechanics and schools, in which the definitions and rules of geometry are familiarly explained (1849)
in A. J5, draw lines to intersect the others, which will give points in the curve. PLATE XXXIV. PLAN, SECTION AND ELEVATION OF A WHEEL AND PINION. The cross Hnes on Q. i?, fig. 2, shewing the teeth of the wheeland pinion, are drawn from the elevation as described in Plate 31,which explains the… … Fig. 3 Section.
