28 CONDENSATION OF VAPOR AS INDUCED BY NUCLEI AND IONS. 



TABLE 1 1 . Standardization of fog chamber. 

 open 5 sec. ; 60 sec. between observations. 

 23. Distance to lamp 250 cm. 



cm.; ^3=17.6 cm.; 



Mercury lamp. Phosphorus nuclei. Cock 

 Barometer 76.4 cm. at 25. Temperature 

 Goniometer behind. 7r = 2.icm. 5= 12. [df> 2 ] = ij.o 



cm.; ^=0.771; <?/> 3 //>= 0.231 ; w = 4.oXio- 6 g. 



