Book 20
3.3
And although the revolutions and movements of both heavenly bodies, as the searchersThe natural philosophers. for intelligible causes had observed, after the course of the moon is completed,At the end of each lunar month. meet at one and the same point always at the same distance from each other,I.e. are in conjunction. yet the sun is not always eclipsed at such times, but only when the moon (by a kind of fiery plumb-line)According to Clark’s punctuation, based upon metrical clausulae (Introd., p. xxii); but igneo seems to be more naturally taken with orbi. is directly opposite the sun and interposed between its orb and our vision.
