CONDENSATION OF VAPOR AS INDUCED BY NUCLEI AND IONS. 



TABLE 16. Coronas standardized. Phosphorus nuclei. Bar. 77.7 cm.; temp. 20. 

 Cock open 5 seconds ; time between observations 60 seconds ; dp' =18.2; dp 3 = 17.0; 

 [dp 2 ]=i6.2 at 5 seconds, 16.8 at 60 seconds; ^ = 0.779; 5=7.2; = 0.0032; 

 = 30 cm. and 250 cm. 



TABLE 17. Coronas standardized. Phosphorus nuclei. Barometer 77.7 cm.; tem- 

 perature 20. Cock open 5 seconds; 60 seconds between observations; <?/>'= 18.2; 

 ^3=17-0; [df> 2 ]=i6.2 after 5 seconds; 16.8 after 60 seconds. Distance 30 cm. 

 and 250 cm.; goniometer radius 30 cm.; ^ = 0.779; S = 6.8; 1 ^ = 0.0032. 



'Use mean 5= 7.2 as in table 16. 



