V.] The Celestial Periods. 169

but these may be sufficient to show that in
the inch we possess a clue to the secret sig-
nificance of numerous symbols; and that for
very reason it was not openly set forth as the
standard, but its place was supplied by the
cubit, which betrays no meaning except to
one already so far initiated in the Mysteries
of the Depths.

Turning now to the Pyramid of Light, we
find the same principle conspicuous throughout
the building; the lengths of its various
passages and chambers, when expressed in
polar inches, being apparently proportional to
the radii (or semi-radii) of the celestial periods
corresponding respectively to the stages in the
Progress of the departed. And so strongly
marked is the prevalence of this principle, that
while a mere knowledge of the measures, how-
ever exact, suggests nothing of the spiritual
leaning, the insight which we have already
attained into the co-ordination of the buiklino-

O

with the Ritual enables us to determine for