Vlll TAKLE OK CONTKNTS. 



CHAPTER V. 



PACB 



Siiimltiineous Electric and Volumetric Graduation of the Color Tube 61 



1. Tlie problem stated. 3. Apparatus 3. Method and results. 4. EflFect of presence or 

 al)sence of the electric field. 5. Remarks on the observations. 6. Working hypothesis. 7. 

 Decay ignored. 8. Effect of an electric field. 9. Numerical comparison. 10. Slopes of the 

 loci. 11. The number of particles. 12. Origin of J.-. 



CHAPTER VI. 



The Behavior of the Ionized Phosphorus Emanation as the Dielectric in Spherical 



Condensei-s 71 



Currcjits in Condensers for Successively Varying Radii and Constant Initial Potential 

 DiiTcroiici'. 



I. Introductory. 3. Apparatus. :i. Karlicr observations. 4. Modified apparatus. .'>. New 

 oleervations. 6. Other data. 7. Summary. 8. Working hypothesis. 9. Comparison of 

 data. 10. Ca.se of ditfu.sion. 



Currents in Condensers for Successive!}' Varying Initial Potential Diflferences and 

 Fixed Radii. 



II. Apparatus and observations. 12. Further data. 13. Observations for constant potential 

 difference and for constant radius compared. 



Summary ^'^ 



Index "S 



