Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 740
PEKSPECTIVE DRAWING. 723 … 724 PERSPECTIVE DRAWING. from t will follow the direction of the diagonal c Ic. Project u and v upon theground plane at u and v; from t u v and j9 draw lines to D; from i\ u^ v, lu^and X draw rays to V, and the intersection of these lines with their corre-sponding lines from their bases will give…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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