Simplified mechanical perspective for the use of ... schools (1909)
Frederick, Frank Forrest, 1866-1942 · Peoria, Ill., The Manual arts press · leaf 43
nd. By drawing the diagonals of the squarepoints 2, 4, 6 and 8 are found. Putting the square into perspective Note to Teachers:—When students begin the study of the circle in per-spective it is well to draw circles upon the door, or upon the blackboard, asproblems to be worked by the class. These… … t +
Perspective
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