Viscosity of Water. 



511 



Capillary II. 

 (Circular). 



First 

 Method. 



Second 



Method. 



Third 

 • Method. 



Mean 

 Values. 



Section 1 



•01899 cm. 



•01889 



•01880 



•018862 



}J 2 



; -01896 „ 



•01861 



•01S80 



•018763 



„ 3 



•01912 „ 



•01910 



•01891 



•019009 



„ 4 



1 -01906 „ 



•01909 



•01890 



•018990 



[Mean radius (by mercury) = -018926 cm.] Mean = "018906 ci 



Capillary III. 

 (Elliptical). 



First Second 

 Method. Method. 



Third 

 Method. 



Mean 



Values. 





•02023 ; -02066 



•02069 



•020603 



Section 1 



•02016 -01969 



•02020 



•020023 





j -02083 -02064 



•02066 



•020682 



O 



! -02016 -02009 



•01993 



•020022 





•02124 -02119 



•02069 



•020948 



„ 3 



•02043 -01983 



•01996 



•020000 





•02097 '02032 



•02075 



•020643 



„ 4 



•02043, -02010 



•01998 



•020095 



Mean radius by mercury = '020416. 



Mean I W '° 20719 

 .Mean j {h) ^ 



0035 



Capillary IV. 

 (Elliptical). 



First 

 Method. 



Second 

 Method. 



Third 

 Method. 



Mean 

 Values. 





•02138 



•02125 



•02088 



•021087 



Section 1 



•02023 



•02070 



•01976 



•020152 





•02130 



•021 IS 



•02086 



•021040 



9 

 >> *^ 



•02043 



•02007 



•01984 



•020015 





•02144 



02143 



•02068 



•021057 



„ 3 



•02023 



•01954 



•01976 



•019765 





•02183 



02125 



•02079 



•021042 



„ 4 



•02023 



•01997 



•01994 



•on 



Mean radius by mercury = '020482. 



Mean 



f(<0 -021056 

 an l {!>) -019914 



In determining the mean value for each section, the values 

 obtained by the three methods were weighted in the follewmo 

 manner: Method 1, weight 1; Method 2, weight 2; Method 

 3, weight 3 ; thus for Capillary 1, Section 1, by adding 



