Bhatt, N. D. Machine drawing / N. D. Bhatt and V. M. Panchal - 47th ed. - India Charator 2012 ISBN: 463746358635 Subjects--Topical Terms: Mechanical engineeringMechanical drawingᅠMachine designᅠMachineryᅠ Dewey Class. No.: 621.815 BHA-N