CAPILLARY ATTRACTION. 



37 



be adequately treated in the time now at my 

 disposal. 



In these other diagrams however, (Figs. 13 to 

 28,) we have certain portions of the curves taken 



FIG. 13. Mercury in contact with solid spheres (say of glass). 



to represent real capillary surfaces shown in 

 section. In Fig. 13 a solid sphere is shown in 



FIG. 14. Sectional view of circular V-groove containing mercury. 



four different positions in contact with a mercury 

 surface ; and again, in Fig. 14 we have a section 

 of the form assumed by mercury resting in a cir- 

 cular V-groove. Figs. 15 to 28 (pp. 39-42) show 



