Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 60
pb indefinitely. Then theline is seen to pierce i/at sp, and Fat t. Find the horizontaland vertical projections of the points s and t; the points (sh, sv) is the H-tra.ce, and the point t (th, tv) is the P~-trace. VI, § 58] THE PROFILE PLANE 39 A second example is shown in Fig. 74. This is the… … Fig. 73.
Geometry, Descriptive
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
