A text-book of geometrical drawing, for the use of mechanics and schools, in which the definitions and rules of geometry are familiarly explained .. (1850)
Minifie, William, 1805-1880. [from old catalog] · Baltimore, W. Minifie & co. · leaf 38
J^Mmifu r.l-runS ■ PLATE V. 19 Problem 13. Fig. 5. In the triangle A. B. C; to describe a Circle touching all its sides. 1st. Bisect two of the angles by problem 11^ as A and B^ the dividing lines will cut each other in D^ then D is the centre of the circle.2nd. From D let fall a perpendicular to…