Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 48
FiQ. 24 Ill, § 26] PROJECTION OF LINES 29 … plane parallel to V. The generated cone in this case has its baseparallel and close to V, while the apex (6) is farther from V.The line 6*0* shows the true lengthand the angle 0 is the true angle with V.26. Variations of Preceding Methods.In either of the above cases, either endof the line might…
Geometry, Descriptive
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