polyedra

Drawing: Mechanical and Projection Drawing: — Projections of cubes, prisms, and pyramids in simple positions; method of revolving the solid into new positions; method of changing the planes of projection; projections of the three round bodies in simple positions and in revolved positions; sections by planes parallel to the planes of projection; sections by inclined planes; developments of prisms, pyramids, cylinders, and cones; intersections of polyedra and curved surfaces; distances from a point to a point or a plane or a line; angles between planes and lines.

University of Virginia Record 1909