[15]. Cassini Elements d’Astronomie, Liv. ix. Chap. 3.
[16]. Optics, Art. 95.
[17]. Mr. Whiston, in his Astronomical Principles of Religion.
[18]. As will be demonstrated in the [ninth Chapter].
[19]. Optics, B. I. § 1178.
[20]. Astronomy, B. II. §. 838.
[21]. Philosophy, Vol. I. p. 401.
[22]. Account of Sir Isaac Newton’s Philosophical Discoveries, B. III. c. 2. § 3.
[23]. Elements d’Astronomie, § 381.
[24]. The face of the Sun, Moon, or any Planet, as it appears to the eye, is called it’s Disc.