360 Mr. G. M. Whipple on the Determination of the [May 2, 



Experiment 7. 



Positive. 



Negative. 



No. of 



Deflection 



No. of 



Deflection 



No. of 



Deflection 



No. of 



Deflection 



Cells. 



in inch.es. 



Cells. 



in inches. 



Cells. 



in inches. 



Cells. 



in inches. 







o -ooo 



320 



2 -475 



600 



3'925 







o -ooo 



40 



525 



340 



2 -600 



620 



4-000 



20 



-100 



80 



-650 



360 



2 750 



640 



4-075 



40 



-275 



100 



(0 -700) 



380 



2 -875 



660 



4-125 



60 



-500 



120 



0-900 



400 



3-000 



680 



4-175 



80 



0-725 



140 



1-075 



420 



3-075 



700 



4-225 



100 



0-950 



160 



1 -250 



440 



3 175 



720 



4 275 



120 



1-175 



180 



1-425 



460 



3-300 



740 



4-325 



140 



1 -425 



200 



1-600 



480 



3-400 



760 



4-350 



160 



1-675 



220 



1-775 



500 



3-525 



780 



4-375 



180 



1-925 



240 



1-950 



520 



3 -625 



800 



4-400 



200 



2-175 



260 



2-100 



540 



3-700 











280 



2 200 



560 



3-775 











300 



2-350 



580 



3-850 











After this the photographic slides were again mounted in the place 

 of the scale and the deflections registered, which on the sheets being 

 measured gave results as follow : 



Experiment 8. 



Positive. 



Negative. 



No. of 



Deflection 



No. of 



Deflection 



No. of 



Deflection 



Cells. 



in inches. 



Cells. 



in inches. 



Cells. 



in inches. 



100 



1 -058 



500 



3 942 



100 



1-108 



200 



1-943 



600 



4 358 



200 



2 323 



300 



2-686 



700 



4 625 



300 



3 663 



400 



3-488 



800 



4-810 







Experiment 9. 



Positive. 



Negative. 



No. of 

 Cells. 



Deflection 

 in inches. 



No. of 

 Cells. 



Deflection 

 in inches. 



No. of 

 Cells. 



Deflection 

 in inches. 



J 00 

 200 

 300 

 400 

 500 



0- 976 



1- 843 

 2 591 

 3-203 

 3-708 



600 

 700 

 800 

 900 



4-097 

 4-359 

 4-561 

 4-686 



100 



200 

 300 



1 149 



2 -429 



3 853 



