Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 728
of the cube. The face a b f e being in the planeof perspective, appears in full size. From the point c the diagonal c x disap-pears at Di, and the perpendicular at S. Their intersection C2 is the perspectiveof the lower corner; c?2 is found in the same way; c and d are found by pro-jecting up… … s Fig. 1794. 712 PERSPECTIVE DRAWING. pendiculars and Diagonals (Fig. 1794).—a h c d\^ the horizontal projection ofthe base and efgh of the top of the pyramid. The point of sight is projectedat S and S; D and Dj are the points of distance. The perspective of each point is found by drawing its…
Mechanical drawing
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