This book contains numerical tables and formulas useful to the students of Science
and Engineering Colleges and also other Technical Institutions. They are arranged
and printed in a form that makes them readily available for rapid work. This booklet will serve as a source of ready
reference for scientific and engineering practicals. This twelfth edition is
entirely revised and now, it contains all the tables in the SI system of units.
The Mollier Diagram is also included in this book so as to make it more useful.