CONTENTS

PAGE

_List of Illustrations_ . . . . . . . vii

_Preface_ . . . . . . . . . ix

_Lecture I._

Introduction . . . . . . . . . 1

General Properties of Liquids . . . . . . 2

Properties of the Surface Skin of Water . . . . 3

Elastic Skin of other Liquids-Minimum Thermometer . . . 5

Boundary Surface of two Liquids . . . . . . 6

Area of Stretched Surface . . . . . . . 7

Shape of detached Masses of Liquid . . . . . 8

Production of True Spheres of Liquids . . . . . 10

The Centrifugoscope . . . . . . . . 14

Effect of Temperature on Sphere of Orthotoluidine . . . 15

Other Examples of Equi-Density . . . . . . 17

Aniline Films or Skins . . . . . . . 19

Surface Tension . . . . . . . . 21

The "Diving" Drop . . . . . . . . 22

Formation of Falling Drops of Liquid . . . . . 24

Ascending or Inverted Drops . . . . . . 31

_Lecture II._

Automatic Aniline Drops . . . . . . . 33

Automatic Drops of other Liquids. . . . . . 37

Liquid Jets . . . . . . . . . 38

Liquid Columns . . . . . . . . 40

Communicating Drops . . . . . . . . 44

Combined Vapour and Liquid Drops . . . . . 47

Condensation of Drops from Vapour . . . . . 49

Liquid Clouds in Liquid Media . . . . . . 54

Overheated Drops . . . . . . . . 55

Floating Drops on Hot Surfaces . . . . . . 57

_Lecture III._

Spreading of Oil on the Surface of Water . . . . 60

Movements due to Solubility . . . . . . 63

Movements of Aniline Globules on a Water Surface . . . 63

Movements of Orthotoluidine and Xylidine 1-3-4 on a Water Surface 66

Production of Globules from Films . . . . . 68

Network formed from a Film . . . . . . 70

Quinoline Rings . . . . . . . . 71

Expanding Globules . . . . . . . . 71

Attraction between Floating Globules . . . . . 73

Analogies of Surface Tension Phenomena with Life . . . 75

_Conclusion_ . . . . . . . . . 76

_Appendix_

Apparatus and Materials required for Experiments on Drops

and Globules . . . . . . . . 78

_Index_ . . . . . . . . . . 81

Liquid Drops and Globules, Their Formation and Movements Three lectures delivered to popular audiences · 第 6 / 25 题