A CONTINUOUS RECORD OF ATMOSPHERIC NUCLEATION. 



II 



TABLE 7. IONIZATION OF PHOSPHORUS NUCLEI. dV/dt=2.$ LITERS/MIN. 

 CHARGE AT 20 VOLTS, 19.6 cm. DEFLECTION. 



TABLE 8. RESUME. 



Charge + a = .009! 



12 



+ 09 J- Mean .010 = a. 



09 

 ii 



There is slight excess of leakage for negative charges; but as the insulation 

 was io 3 Xa = 9-i2 for positive, and 1-2 for negative charges, these differences 

 are within the uncertainties of observation. One may again note that if the 



