Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 60
Fig. 73. … can project a point in the ^-projection to the P-projection, andfrom this to the F-projection;or vice versa. Construction (Fig. 75). Letab (ahbh, avb) be the givenline. Find apb. Now if ch isgiven, project from c* to cp inabp; and from cp to C in <if>r.If c is given, c* may be foundby…
Geometry, Descriptive
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