Engineering Graphics Fourth Edition has several new features. The chapter on Projection of Lines is now included in the main body of the book which was added as an appendix in the third edition due to some printing errors. Readers will find it more convenient now. The book has been completely and thoroughly revised for any editorial corrections with following salient features. * New Problems added in Chapter 2 and 6 * All illustrations redrawn for better clarity * More than 100 solved problems with step by step procedure * More than 200 problems for self-test * More than 300 illustrations with detailed constructional procedure