having different pressures in different directions."

[Illustration: Fig: 20.]

He then goes on to develop the idea in relation to different intensities
of the magnetic field. I must, however, refer the reader to the paper
itself for fuller details. In his greatest work,[35] writing on this
subject, he says: "I think we have good evidence for the opinion that
some phenomenon of rotation is going on in the magnetic field, that this
rotation is performed by a great number of very small portions of
matter, each rotating on its own axis, being parallel to the direction
of the magnetic force, and that the rotations of these different
vortices are made to depend on one another by means of some kind of
mechanism."

From the foregoing extracts taken from Maxwell's writings, we learn that
the constitution of the Aether, as given in Art. 44, exactly coincides
with, and satisfactorily fulfils the conditions that he lays down with
reference to his physical conception of the lines of force around a
magnet or electrified body.

So that the theory of Maxwell is not merely hypothetical, as is
suggested by scientists, but exactly describes the conditions and state
of the atomic Aether medium which surrounds all magnets. We have,
however, seen that the sun is a magnet, and therefore it possesses
around it on every side, the same as any other magnet, these aetherial
lines of force composed of infinitesimal vortices, or mere whirling
points which correspond to an aetherial atom.

These aetherial lines of force stretch out into space on every side of
the sun, and in fact form concentric magnetic shells around the sun;
which magnetic shells coincide with the equipotential surfaces of the
Aether viewed merely from the point of elasticity and density of the
medium. We learn by experiment, that these lines are closest together
nearest to the magnet, which fact agrees with the statement that Aether
is gravitative, and therefore the Aether would be densest nearest the
sun. That is, the atoms would be pressed closer together, so that the
lines of force of which these atoms are composed ought also to be closer
together at the surface of the magnet, which we find by experiment is
the case. As the sun is an electro-magnet, therefore, it possesses these
magnetic lines of force on all sides, forming a series of magnetic
shells. We have now arrived by the aid of Maxwell's theory to a physical
conception of the Aether from a magnetic standpoint, whi