Table of Contents. 



INTRODUCTION. 



Page 



Description and use of the Tables xi to lix 



THERMOMETRICAL TABLES. 



Table 



Page 



Conversion of thermometric scales — 



1 Reaumur scale to Fahrenheit and Centigrade 2 



2 Fahrenheit scale to Centigrade 3 



3 Centigrade scale to Fahrenheit 7 



4 Centigrade scale to Fahrenheit, near the boiling point of 



water 9 



5 Differences Fahrenheit to differences Centigrade .... 9 



6 Differences Centigrade to differences Fahrenheit .... 9 



7 Reduction of temperature to sea level— English measures . . 10 



8 Reduction of temperature to sea level — Metric measures ... 11 



9 Correction for the temperature of the mercury in the thermometer 



stem. For Fahrenheit and Centigrade thermometers . 12 



BAROMETRICAL TABLES. 



Reduction of the barometer to standard temperature — 



10 English measures ^4 



1 1 Metric measures 34 



Reduction of the barometer to standard gravity at latitude 45° — 



12 English measures 58 



1 3 Metric measures 59 



Reduction of the barometer to sea level — English measures. 



Values of 2000 m 60 



Correction of 2oooni for latitude 69 



16 B, — Br=B (10"'— 1) 70 



Reduction of the barometer to sea level — Metric measures. 



17 Values of 2000 /« 7^ 



1 8 Correction of 2000 m for latitude 9° 



19 B, — B = B(io'" — i) 91 



14 

 15 



