TABLE OF CONTENTS. 



PAGE 



Introduction on units of measurement and conversion factors . . xvii 



Units of measurement : general discussion xvii 



Dimension formulae for dynamic units xix 



" " " heat units xxv 



" of electric and magnetic units : general discussion . . xxvii 



" formulas in electrostatic system xxviii 



" " " electromagnetic system xxxi 



Practical units of electricity, legalization of . . . . . xxxv 



TABLE 



1. Formulae for conversion factors : (a) Fundamental units ... 2 



(b) Derived units ... 2 



I. Geometric and dynamic units 2 



II. Heat units .... 3 



III. Magnetic and electric units 3 



2. Tables for converting 17. S. weights and measures : 



(1) Customary to metric 5 



(2) Metric to customary 6 



3. Equivalents of metric and British imperial weights and measures : 



(1) Metric to imperial 7 



(2) Multiples, metric to imperial 8 



(3) Imperial to metric ........ 9 



(4) Multiples, imperial to metric . . . . . .10 



4. Volume of a glass vessel from weight of its volume of water or mercury 1 1 



5. Derivatives and integrals 12 



6. Series 13 



7. Mathematical constants 14 



8. Reciprocals, squares, cubes and square roots of natural numbers . 15 



9. Logarithms, 1000-2000 24 



10. Logarithms 26 



11. Antilogarithms 28 



12. Antilogarithms, .9000-1.0000 ........ 30 



13. Circular (trigonometric) functions, argument (, '.) . . .32 



14. argument (radians) . . . 37 



15. Logarithmic factorials, n!, n== i to 100 40 



16. Hyperbolic functions 41 



17. Factorials, 1-20 47 



