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)
Flate 3J 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 fromthe different points of the plan^ perfectly elucidate the mode of drawing the elevation. The dotted line ^^ shews the direction of the rays of…
