HUYGENS, Christiaan (1629-1695). The Celestial Worlds Discover'd; or, Conjectures concerning the inhabitants, plants and productions of the worlds in the planets ... second edition, London: for James Knapton, 1722, 8°, 5 folding engraved plates, contemporary speckled calf (upper joints very weak, library markings). Provenance: JCL