Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 74
rawn 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 (aV) is known in length and in direction ; hence thatside can be drawn. The angles of the square will project intheir true size, by § 36. The H projection can now be… … 56 DESCRIPTIVE GEOMETRY [V,J47 47. Plane Solids. 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.
