About the Engineering Drawing Contents Manual Drawing Instruments Conventional Lines, Drawing Sheets-Their Layout and Planning Technical Lettering, Dimensioning and GeometricalConstructions Scales Loci and Mechanisms Lod-conic Sections Cycloidal and Spiral Curves Helix, Helical Springs and Screw Threads Projections of Points Projections of Lines Projections of Planes and Laminae Auxiliary Planes and Views Projections of Solids Sections of Solids Developments of Surfaces Intersections of Surfaces Isometric Projection Theory of Orthographic Projections Reading a Drawing-Missing Lines and Missing Views Oblique Projections Perspective Projections Index