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 146
a continuation of the upper edge of the under fillet.2nd. Through D, draw D, H perpendicular to B, H^ cutting the tangent B, C in C.3rd. Through B, draw B, G parallel to D. H, and through D, draw D, E parallel to H. B, cutting G. B in E,4th. Make E, G equal to E, B, and E. F equal to H, C, join D.… … WT^-Mivu PLATE XXXIII. 71 7th. From the point G, draw lines through the divisions in D, F, to intersect the hnes drawn from B,8th. Through the points of intersection trace the curve. Note.—A great variety of form may be given to the echinus, by varying theprojections and the incHnation of the…
