produced by the Corpuscles given out hi/ Radium. 557 

 ■Efr.'S. 



PRESSURE 



Table III. 



Pressure. 



1 



P.D. 



Current. 



Lower Plate-]-. 



-2-82 

 -1-34 

 4-120 

 +336 



+5- 60 



Lower Plate — . 



0-68 

 2-52 

 526 



7-9 

 1 1C-7 



\ __ 



2 to 20 

 20 to 40 



20 to 100 



- 4-20 



- 5*90 



- 8-34 

 -10-8 

 - 13-5 



The numbers given in Table IV. and plotted tn no-. 5, 

 were found with an aluminium plate 0-083 mm. thick on the 

 top of B. 



The lines in figs. 3, 4, and 5 have all been drawn through 

 the oentroid of thie points* which is marked with a cross, the 



* See Pearson " On the Lines and Planes of Closest Fit," rhil - M: ¥- 

 ser. 6, vol. ii. 



Phil. Man. S. 6. Vol. 5. No. 29. May 1903. 2 P 



