Footnotes
| [1] | Mono-brom-benzene is better than chloroform for this
experiment, but is more costly. It may be coloured with
indigo. Chloroform may be coloured with iodine.
|
| [2] | Mr. C. T. R. Wilson has recently devised an apparatus for
making visible the tracks of ionizing rays, by the condensation
of water vapour round the freshly liberated ions.
|
| [3] | These movements were first recorded by Romieu in 1748
and were ascribed by him to electricity.
|
| [4] | The breaking-up of films on the surface of water was first
noticed by Tomlinson about 50 years ago. He used essential
oils, and called the patterns “cohesion figures.”
|
| [5] | An interesting discussion on cellular structures of this
type may be found in Nature, April 16 to June 11, 1914.
|
Transcription note
The following minor typographical flaws have been corrected:
Footnotes have been renumbered progressively throughout the book.
*** END OF THIS PROJECT GUTENBERG EBOOK LIQUID DROPS AND GLOBULES ***