382 Dr. Barton and Mr. Lownds on Reflexion and 



58. Medium Condenser. — Disks 9 centim. radius and placed 

 1 centim. apart. 



(i.) Transmitted System. The readings for this arrange- 

 ment result in the ratio 



"""■•"* -OUS (49) 



mean y- 



d 



The readings are shown in Table IV. 

 Table IV. — Transmitted System for Medium Condenser. 







Electrometer Throws, 



d ' 



Electrometer-Throws, d, 



d', with Condenser at 



Ratios of Throws, -y , 

 d 



without Condenser on. 



I beyond Oscillator, 



for each position, 







where 



viz. : — 



Actual 



Interpolated 



1 = 



1 = 



1 = 



1= 



Throws. 



Means. 



59 m -\/8. 



59 m +X/8. 



59 m -X/8. 



59 m +X/8. 



28 



27-5 



10 





0-364 





27 



30 





10 





0-333 



33 



31 



11 





■355 





29 



29-5 





10 





•3C9 



30 



30 



11 





■367 





30 



29-5 





10 





■339 



29 



28 



9 





•321 





27 



25 





7 





•280 



23 



245 



9 





■367 





26 



26 





8 





•C08 



£6 



25 



9 





•360 





24 



23-5 





8 





•340 



23 



23 



8 





•348 





23 



22-5 





8 





•356 



22 



22 



8 





•364 





22 



22 





7 





■318 



22 



21 



8 





•381 





20 



20 





8 





•400 



20 



205 



7 





•341 





21 



20 





8 





■400 



19 



















0357 



0-341 



When 



ee Mean of '. 



Means = 0"349. 



(ii.) Reflected System. For this arrangement two sets each 

 of 41 readings were taken. The first set gave 



mean d' 1 KOO ,_,.. 



meant/= — = ro26; .... (50) 



