Bhatt, N. D. Panchal, V. M.
Engineering Drawing Plane and Solid Geometry - Gandi - Anand Charotar 2004 - p.600
Drawing Instruments and Their uses Sheet Layout and Sketching Lines, lettering and Dimensioning
742 B575E
Engineering Drawing Plane and Solid Geometry - Gandi - Anand Charotar 2004 - p.600
Drawing Instruments and Their uses Sheet Layout and Sketching Lines, lettering and Dimensioning
742 B575E