RADIUM: 4 funnels of 618 atoms 2472
4 spikes of 199 atoms 796
Central sphere 819
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Total 4087
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Atomic weight ----
Number weight 4087/18 227.05
[Illustration: PLATE XXIV.]
[Illustration: PLATE XXIII.]
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APPENDIX.
THE AETHER OF SPACE.
Much discussion has taken place, especially between physicists and
chemists, over the nature of the substances with which all space must,
according to scientific hypothesis, be filled. One side contends that it is
infinitely thinner than the thinnest gas, absolutely frictionless and
without weight; the other asserts that it is denser than the densest solid.
In this substance the ultimate atoms of matter are thought to float, like
motes in a sunbeam, and light, heat and electricity are supposed to be its
vibrations.
Theosophical investigators, using methods not at the disposal of physical
science, have found that this hypothesis includes under one head two
entirely different and widely separated sets of phenomena.
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