Elements of descriptive geometry, with applications to isometric projection and othe forms of one-plane projection; a text-book for colleges and ingineering schools by O. E. Randall.

SUPPLEMENTARY PLANES OF PROJECTION

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57. Problem 19. Given a straight line in the third quadrant and
oblique to H and to V; required the supplementary projection of the
line upon a profile plane of projection assumed on the left of the line.
58. Problem 20. Given a straight line in the second quadrant and
oblique to H and to V; required the supplementary projection of the
line upon a plane parallel to the horizontal projecting plane of the
line and assumed on the left of the line.
59. Problem 21. Given a straight line in the fourth quadrant and
oblique to H and to V; required the supplementary projection of the
line upon a plane parallel to the vertical projecting plane of the line.
60. Problem 22. Given a plane parallel to G-L but oblique to H
and to V; required the angle which the plane makes with H; also the
angle which the plane makes with V. Solve by use of a supplementary
profile plane of projection.
61. Problem 23. Given a plane parallel to G-L but oblique to
H and to V; required the traces of a number of planes parallel to
the given plane. Solve by use of a supplementary profile plane of
projection.
62. Problem 24. Given a plane parallel to G-L and passing
through the fourth, first, and second quadrants; required the traces
of a plane parallel to the given plane and passing through the fourth,
third, and second quadrants. Solve by use of a supplementary profile
plane of projection.