The Artisan, or, Mechanic's instructor : containing a popular, comprehensive and systematic view of the following sciences ... also biographical notices of eminent scientific men, enriched by portraits : with many interesting and valuable articles relating to the mechanical and useful arts : the whole intended as a companion to the institutes (1825)
Carey, George G · London : Printed for William Cole · leaf 467
THE ARTISAN. 3 5 the centre of the circle ABC: In the same Rut if the given point be in the circum- ference of the circle, as the point D, draw A … F B G perpendicular to D E ; and because manner it may be shown, that no other F G C is a right angle, G C F must be an point which is not in C A, is the centre j acute angle ; and to the greater angle the that is, the centre is in C A. Therefore.) if a straight line, &c. Q. E. D. PROPOSITION XX.…
