429 



XIX HEIGHT, IN METKES, OF A COLUMN OF AIR, CORRESPONDING TO A JIILLIIMETRE 



IN THE BAROMETER, AT DIFFERENT TEMPERATURES AND ELEVATIONS. 



Temper- 

 ature of 



Air, 

 Centig. 



10 

 12 

 14 

 16 



18 



20 

 22 

 24 

 26 



28 



30 

 32 

 34 

 36 

 38 



Barometer at the Lower Station, Reading in Centimetres. 



76 



10.94 

 11.02 

 11.11 

 11.19 

 11.27 



11.36 

 11.44 

 11.53 

 11.61 

 11.70 



11.78 

 11.86 

 11.95 

 12.03 

 12.12 



75 



11.08 

 11.17 

 11.25 

 11.34 

 11.43 



11.51 

 11.60 

 11.68 

 11.77 

 11.85 



11.94 

 12.02 

 12.11 

 12.19 



12.28 



67 



Metres. 

 11.93 

 12.03 

 12.13 

 12.22 

 12.32 



12.41 

 12.51 

 12.60 

 12.70 

 12.79 



12.89 

 12.99 

 13.08 

 13.18 

 13.27 



13.37 

 13.46 

 13..56 

 13.65 

 13.75 



Temper- 

 ature of 



Air, 

 Centig 





 2 



4 

 6 



8 



10 

 12 

 14 

 16 

 IS 



20 

 22 

 24 

 26 



28 



30 

 32 

 34 

 36 



Barometer in Centimetres. 



66 



Metres 

 12.11 

 12.21 

 12.31 

 12.40 

 12.50 



12.60 

 12.69 

 12.79 

 12.89 

 12.98 



13.08 

 13.18 

 13.27 

 13.37 

 13.47 



13. b7 

 13.66 

 13.76 

 13.S6 



65 



Metres. 

 12.30 

 12.40 

 r2..50 

 12.60 

 12.69 



12.79 

 12.89 

 12.99 

 13.09 

 13.19 



13.28 

 13.38 

 13.48 

 13.58 

 13.68 



13.78 

 13.87 

 13.97 

 14.07 



64 



63 



Metres. 

 12.49 

 12..59 

 12.69 

 12.79 

 12.89 



12.99 

 13.09 

 13.19 

 13.29 

 13.39 



13.49 

 13.59 

 13.69 

 13.79 

 13.89 



13.99 

 14.09 

 14.19 

 14.29 



Metres. 

 12.69 

 12.79 

 12.89 

 13.00 

 13.10 



13.20 

 13.30 

 13.40 

 13 50 

 18.61 



13.71 

 13.81 

 13.91 

 14.01 

 14.11 



14.22 

 14.32 

 14.44 

 14.52 



57 



Metres. 

 14.03 

 14.14 

 14.25 

 14.36 

 14.47 



14.59 

 14.70 

 14.81 

 14.92 

 15.04 



15.15 

 15.26 

 15.37 

 15.48 

 15.60 



15.71 



15.82 

 15.93 

 16.05 



D 



89 



