DRAWING FROM MEMORY 123 of the figure sloping from the centre to the edge,and so the diagonals represent ridges. This featurecannot be shown without shading, which youngpupils should never attempt in the earlier stages oftheir di*awiug career. … Rosette of Right and Curved Lines. .Directions. —In the lower right-hand space draw a two-and-a-half-inch square, with itsdiameters and diagonals. Markthe centre of each semi-diagonal,and through the points of divisiondraw the smaller circle. Drawthe outer circle so as not quite totouch the sides…
Drawing
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![An illustration from Cours d'architecture enseigné dans l'Academie royale d'architecture : premiere[-cinquième] partie ... (1675)](https://img.insideoutlibrary.com/img/200/ia-coursdarchitectu00blon-304-135.webp)
