1903.] The Evaporation of Water in a Current of Air. 79 



Temperature. 



20 C. 



30 



40-66 



50 



60 



70 



80-10 



90 



Vapour- 

 pressure, 

 mm. 



17-61 

 17-69 

 17-53 

 17-62 



31-89 

 31-81 

 32-05 

 31-79 



57-45 

 57-36 

 57-34 

 57-33 

 57-23 



92-34 

 92-33 

 92-38 

 92-50 



148-8 

 149-1 

 148-5 

 149-2 

 149-1 



234-2 

 233-2 

 234-5 

 235-0 

 233-5 

 233-5 



358-1 

 356-6 

 358-4 

 357-4 

 357-9 

 355-0 

 357-1 

 357-6 

 356-1 



526-4 

 525-6 

 527-6 

 525-7 



Mean 

 vapour-pressure. 



mm. 



17-61 



31-88 



Vapour-pressure. 

 Kegnault corrected. 



mm. 

 17-52 



31-73 



57-34 



92-39 



148-94 



233-98 



57-15 



92-35 



149-3 



(Regnault uncorr.) 

 148-9 



234-0 



357-1 



356-9 



526-3 



525-8 



