LIST OF ILLUSTRATIONS

FIG. PAGE

1. [Silver sheet floating on water] . . . . . 4

2. [Column and index of minimum thermometer] . . . 6

3. [Thread of golden syrup rising and forming a drop] . . 8

4. [Drops of different sizes resting on flat plate] . . 10

5. [Formation of a sphere of orthotoluidine] . . . 12

6. [Detached sphere floating under water] . . . . 13

7. [The centrifugoscope] . . . . . . . 14

8. [Aniline drops falling through cold water and ascending]

[through hot water] . . . . . . 17

9. [Aniline skins enveloping water] . . . . . 20

10, 11, 12. [The “diving” drop. Three stages] . . . . 23

13. [Apparatus for forming ascending or descending drops of liquids] 27

14-20. [Formation of a drop of orthotoluidine, showing the]

[droplet. Seven stages] . . . . . 29-31

21, 22. [Automatically formed aniline drops, showing the]

[formation of droplets from the neck] . . . 34, 35

23-25. [Jets of orthotoluidine discharged under water] . . 39

26. [Water stretched between a tube and a plate] . . . 40

27-30. [A liquid column stretched upwards by addition]

[of water until broken. Four stages] . . . 43

31. [A column of aceto-acetic ether in water] . . . 44

[pg viii]

32. [Apparatus for communicating drops] . . . . 45

33. [Combined vapour and liquid drops] . . . . 49

34. [Spheroid of water on a hot plate] . . . . 58

35. [Forces acting on a floating globule] . . . . 61

36. [Aniline globules on a water surface] . . . . 64

37. [Orthotoluidine globules on a water surface] . . . 66

38. [Resolution of a floating skin into globules] . . . 68

39. [Network formed from a film of tar-oil] . . . . 70

40. [Quinoline rings and perforated plates] . . . . 71

41. [The expanding globule] . . . . . . 72

42. [The “devouring” globule. Five stages] . . . 74

43. [Photograph of one globule absorbing another] . . . 75

[pg ix]