Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 66
e H- and F-prejections of a and b show that z 1 / 3 4 t 1 / iIi bh- — i / i i bv- b / Fig. 85. these points are in the first and fourth quadrants respectively, the quadrants must appear in the profile projection as marked. In Fig. 86 the profile trace of the same plane Q is obtained, first, by… … Fig. 8(>. second figure is much the clearer, especially if some furtherconstruction is to be made with the plane Q. Hereafter we shall view P from either side; although, otherthings being equal, the direction from right to left will be pre-ferred. If the quadrants are numbered in every profile…
Geometry, Descriptive
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
