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1. GOPALAKRISHNA K R, “MACHINE DRAWING”, SEVENTEENTH EDITION, SUBHAS
STORES, BANGALORE, 2003.
2. CAD/CAM MANUAL, PSG COLLEGE OF TECHNOLOGY. COIMBATORE, 2002.
1. VARGHESE P I AND JOHN K C, “MACHINE DRAWING”, JOVAST PUBLISHERS,
THRISSUR, 2007.
2. SP:46-2003 ā āENGINEERING DRAWING PRACTICE FOR SCHOOLS AND
COLLEGES”, BUREAU OF INDIAN STANDARDS, NEW DELHI, 2003.
3. FACULTY OF MECHANICAL ENGINEERING, PSG COLLEGE OF TECHNOLOGY,”
DESIGN DATA BOOK”, M/S.DPV PRINTERS, COIMBATORE,1993.
4. ASME Y 14.5M-1994, āDIMENSIONING AND TOLERANCINGā, ASME, NEW YORK,
1995