Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 72
at an angle of 60° to HA, and in length equal toa side of the square, is such a projection. One side of the Hprojection (ac) is known in length and in direction; hence thatside can be drawn. The angles of the square v,-i]l project intheir true size, by § 36. The H projection can now be com-pleted… … 56 DESCRIPTIVE GEOMETRY [V, § 47 47. Plane SoUds. Solids that are determined by planesurfaces are called plane solids. There are two general types,regular and irregular. The regular solids are those whose
Geometry, Descriptive
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
