104 NUCLEATION OF THE UNCONTAMINATED ATMOSPHERE. 



shine of the gth and nth gives maxima which themselves rise with 

 the moisture and temperature curves, while all drop on the i2th. The 

 rise on December 13 seems to accompany the sudden fall in tempera- 



"-t^^cT-T-'T^-r^ 



./\ n N^- -i- 



3D 31 /dEnt2 3 4 5 6 7 



1&SOU7 18 19 20 2! 



o 5 -y -v* ^;- 



SfLLir, 



^->- x ^- u-^ * - ^ 



T i " i > i y i_ . 



q 'SR^ <v-/<>\^^\-^-^^t jf f 



^ ^J/ 1 i ^ \ i /u \tl 

 r >t=i/-A A-V-r^ r x t-fl 





3 4 5" 6 7 8 9 /O // 1Z /3 14 J5 IB 17 18 19 <20 



FIG. 91. Graphs showing current nucleations, etc., November 26 to February 21. 



