[ 3»o ] 



mean heat of the day was nearly 60^, the hygrometer being at 

 LVJII. and confequently nearer faturation. Mem. Berl. 1788, 

 p. 126. 



To give feme idea of the faturability of air at each 5th degree 

 of the hygrometer from XL. to XCV. at any temperature of the 

 .air from 9°,^ to 99^5, I have calculated the follow^ing table, 

 which exhibits very nearly the ratio of the hygrometrical degrees 

 to the complement or faturating quantity (at each degree of heat) 

 taken as 1,000. 



XL 



0,2311. 



Thus the complement of 9^,5 is 3,8739, 

 of which 0,2311 is between t and i. 



m 



Thus 



