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 138
Phtte 31 CIRCULAR FLAN AND ELEVATION … 67 PLATE XXX. OCTAGONAL PLAN AND ELEVATION Fig. 1.—Half the Plan. Fig. 2.—Elevation. This plate requires but little explanation, as the dotted lines from the different points of the plan, perfectly elucidate the mode of drawing the elevation.The dotted line A, shews the direction of the rays of…