60 Mr. A. M. Worthington on Calculating Surface- Tensions 



Mercury in Air. 

 D = 13-5432. Temp. 20° 0. 



No. 



L. 



K-k. 



1 



1 



b' 



Grams 



3er cm. 



S. tension 

 (Quincke). 



S. tension, 

 corrected. 



3-282 V 



6. 



7. 

 8. 



1-625 



1-7 



1-65 



•2839 

 •2861 



•2822 



•1875 -00534 



•1792 -00377 



(0 calculated by propor- 

 tional parts.) 



•5456 

 •5546 

 •5624 



•4946 

 •5037 

 •5102 



Mean of 8 measures . . . 



•5503 



•5028 



(The mean of K— k used to calculate r was *2863.) 



b 



Bisulphide of Carbon in Water. 



D = l-2687-l. 



No. 



L. 



K-k. 



1 



1 

 b' 



Grams per cm. 





3282 1/ 



S. tension 

 (Quincke). 



S. tension, 

 corrected. 



1. 

 2. 

 3. 



4. 

 5. 



1-275 



>> 



1-355 

 >> 



•5510 



•5478 

 •5390 



•5830 

 •5808 



I -2389 

 | -2249 



•2082 j 

 •1753 ( 



04069 

 •04021 

 •03893 



•04555 

 •04520 



i -03872 

 | -04301 



Mean of 6 measures ... 



•04256 



•04086 



(The mean of K— k used to calculate - was *5583.) 



b 



Chloroform in Water. 

 D=0'4878. 



No. 



L. 



K-k. 



1 



3-282 L* 



1 



b' 



Grams per cm. 



S. tension 

 (Quincke). 



S. tension, 

 corrected. 



4. 

 5. 



cm. 



1-8 



5) 



cm. 

 •3450 



•3472 



I -1693 



•0089 | 



•02902 

 •02941 



1 -026296 



Mean of 5 measures ... 



•03010 





(The mean of K— k used to calculate - W as -35076.) 



