766 



Mr. H. D. Arnold on Stokes's Law for 



Fig. 5. 



E-0 



1-6 



\A 



1-0 



w 



0-4| 

 0-2 



#>0?;r /a' Transformer oil. 

 jU, by Stokes laur - upper curre 

 yU-fy/ Zatienbergr - luvercurye 

 \u. ly Foiseuille - 0-070 



rO— cq-o— tx? 



•0( 



•02 



•03 



•04 -05 



Radius in CM. 



-^^ 



•06 



■07 



In fig. 6 are shown the results of similar experiments in a 

 mixture o£ alcohol and water of density 0828 at the tempe- 

 rature 20 o, C. Here the deviation from the straight line 



Fig. 6. 



•0-5 



•04 



•03 



oo -02 



1 1 1 



M/m /ai dilute /Ilcohol. 

 il by Stokes l<xus - upper curre 

 jLL by Xocden berp - loioer curre 







. 



Densiti 

 Tempe? 



S of mixcu- 

 "aturc 



re V-GZIS 



eo-o° 



















































- 



•01 



•02 



•05 



•04 -05 



/?/w/u$ m cm. 



-06 



•07 



comes at r= 0*016 cm. The terminal value of the curve at 

 r = gives as the viscosity of the mixture '0190, which is in 

 agreement with the value given by Traube for a mixture of 

 this density. 



