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)
WMinin, Plate 17. SURFACES OF SOLIDS. FiQl. … 41 PLATE XVII. COVERINGS OF SOLIDS Fig. 1. The Sphere Is a solid figure presenting a circular appearance when viewed inany direction; its surface is every where equidistant from a pointwithin^ called its centre. 1st, It may be formed by the revolution of a semicircle around itschord. 2nd. The chord…