Note * — Chapter XX · The Temples and Gods of Athens.
Reading edition
It is nearly 510 feet above the level of the sea.
[+] Recall the defense which the Acropolis was able to make against Xerxes’s horde, when the garrison was small and probably ill organized, and had only a wooden barricade to eke out the natural defenses.
[&] The stone seats of this theater do not seem to have been built till about 340 B.C. Up to that time the surface of the ground sloping back to the Acropolis seems simply to have been smoothed off, and probably covered with temporary wooden seats on the days of the great dramatic festivals.