1916] 



on Problems in Capillarity 



807 



£ m 



Instead of taking the measures with the film vertical, obseiva- 

 tions were made at an inclination of 40° to the horizontal, with the 



following result : — 



Inclined 40°. 0-305 mm. 1st black 



0-65 ,, 2nd and 3rd blacks 

 .0-90 „ 4th black 



