Liquid Drops and Globules, Their Formation and Movements / Three lectures delivered to popular audiences

CONTENTS

[pg v]

           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
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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

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