Regarding the Book: Manual of Engineering Drawing Contents Drawing Supplies The organisation and planning of conventional lines and drawing sheets Dimensioning, geometric constructions, and technical lettering Scales Mechanisms and Loci Level-conic Sections Spiral and Cycloidal Curves Screw Threads, Helical Springs, and Helix Points Projections Line Projections Plans and Laminae Projections as well as Additional Plans and Views Solids Projection Models Solids in Sections Improvements in Surfaces Crossings of Surfaces projection in isometric Orthographic Projections Theory Missing lines and missing views when reading a drawing Direct Projections Index of Perspective Projections