Table of Contents. 



INTRODUCTION. PaGE 



Description and use of the Tables xv to Ixxxvi 



^ THERMOMETRICAL TABLES. 



Conversion of thennometric scales— 



1 Approximate Absolute, Centigrade, Fahrenheit, and Reau- 



mur scales 2 



2 Fahrenheit scale to Centigrade 5 



3 Centigrade scale to Fahrenheit 10 



4 Centigrade scale to Fahrenheit, near the boiling point of water 13 



5 Differences Fahrenheit to differences Centigrade .... 13 



6 Differences Centigrade to differences Fahrenheit .... 13 

 Correction for the temperature of the emergent mercurial column 



of thermometers. 



7 Correction for Fahrenheit thermometers 14 



8 Correction for Centigrade thermometers 14 



CONVERSIONS INVOLVING LINEAR MEASURES. 



9 Inches into millimeters 16 



10 Millimeters into inches 23 



11 Barometric inches (mercury) into millibars 36 



12 Barometric millimeters (mercury) into millibars 38 



13 Feet into meters 40 



14 Meters into feet 42 



15 Miles into kilometers 44 



16 Kilometers into miles 46 



17 Interconversion of nautical and statute miles 48 



18 Continental measures of length with their metric and English 



equivalents 48 



CONVERSION OF MEASURES OF TIME AND ANGLE. 



19 Arc into time 5^ 



20 Time into arc 5^ 



21 Days into decimals of a year and angle ^2 



22 Hours, minutes and seconds into decimals of a day 56 



23 Decimals of a day into hours, minutes and seconds 56 



