436 



MEASURING OF AIR. 



Corrected Barometer 



24.809 



Dry Bulb°F. = 64.4=:/ 



Wet Bulb°F. = 43.0=^1 



/ - /, = 21.4 



Pressure of saturated aqueous vapour ( /, ) = 0.277 = / 

 0.0003675 (t—t^) (1+ (t — t,) / 1571) ==0.199-/2 



Vapour pressure (/i — /s) = 0.078 = / 



Pressure of .saturated vapour (/) = 0.604 = F 



Relative Humidity. = 12.9^ = f/F 



TABLE I (c) 



