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)
st. Draw any chord, as A. jB, and bisect it by a perpendicular E. D, which is a diameter of the circle.2nd. Bisect the perpendicular E, D by problem 1, the point of intersection is the centre of the circle. Figure 2. Another method of finding the Centre of a Circle, 1st. Join any three points in…
