Lange, David C. (David Christoph) · New York, John Wiley & sons, inc.; [etc., etc.] · leaf 34
POINTS, LINES AND PLANES 21 … 22 1>K]N(1PLE.S OF DESCRIPTIVE GEOMETRY the given plane. (Art. 18.) The point in which this per-pendicuhir j^erces the gi\cn plane is then determined.(Art. 28.) To find, therefore, the length of the perpendicular, aprojecting plane containing the perpendicular line is revolvedabout its trace…
Shades and shadows · Geometry, Descriptive
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
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