TABLE OF CONTENTS 



PACK 



Introduction on units of measurement and conversion factors . . xv 



Units of measurement : general discussion xv 



Dimension formulae for dynamic units . . ... . . . xvii 



" " " heat units xxiii 



of electric and magnetic units ' general discussion . . xxv 



" formulae in electrostatic system ...... xxvi 



" electromagnetic system . . . . xxix 



Practical units of electricity, legalization of . . . . . . xxxiii 



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 U. 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. Elementary differential coefficients and integrals . . . .12 



6. Reciprocals, squares, cubes and square roots of natural numbers . 13 



7. Logarithms, 1000-2000 . . . . . . . .22 



8. Logarithms ........... 24 



9. Antilogarithms . . . . . . . . . . . 26 



10. Antilogarithms, .9000-1.0000 ........ 28 



11. Circular (trigonometric) functions, argument ( ,'.) . . . . 30 



12. " " " argument (radians) . . . 35 

 i2a. Factorials, n!, n = i to 100 ......... 38 



13. Values of - - (hyperbolic sines), for values of x from o to 5 . 39 



14. Logarithms of - (hyperbolic sines), for values of x from o to 5 . 40 



15. Values of - ^ (hyperbolic cosines), for values of x from o to 5 . 41 



