rism, and to place a Pyramid1 on its upper Surface or Plane. Draw A B equal to 4 feet, raise A e and e/per-pendicular to A B, and equal 1 foot, join e f, drawB c in any oblique direction toward the rioht,make b c equal A b, draw / g, e h, and a D°aliparallel and equal to d c ; join hg,hD, d c,… … land; the remote end of this road, we say, is at aninfinite distance. At the near end of this road, imagine a plane ofglass of infinite extent, placed perpendicularly onthe road, so that the sides of the road may be per-pendicular to the plane of the glass. Now ima-gine a spectator placed at the…
Design · Decoration and ornament · Art
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