Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 725
es, and solidsconsists merely in finding the perspectives of established points and connectingthem. To find the Perspective of Two Squares i?i the Ground Plane whose Sides 708 PERSPECTIVE DRAWING. are Parallel and Perpendicular to the Perspective Plane (Fig. 1787).—Let G Lbe the ground line, ah d c… … Fig. 1787. Fig. 1788. Draw a S and h S; these will be the indefinite perspectives of the sides ofthe squares perpendicular to the perspective plane. Draw h S; where thisline intersects the ground line, project it vertically to h^, on b S, which is theperspective of h; the line g h^ being parallel…
Mechanical drawing
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