Note 9 — ON THE MORNING OF CHRIST'S NATIVITY.
Reading edition
turning sphear. The Ptolemaic system of astronomy taught that the earth was the centre of the universe, and that all the heavenly bodies revolved about it, being fixed in a complicated framework, or series of hollow crystalline spheres moving one within the other. The "turning sphear" is here this entire system of revolving spheres. See note 34, below.