1IRON.Its proved that Iron conſiſts of parts more ſubtil, pure and compact than the Magner.370JUPITER.Jupiter and Saturn do encompaſſe the Earth, and the Sun.258Jupiter augments leſſe by Irradiation, than the DogStar.305KKEPLER.The Argument of Kepler in favour of Copernicus.242An Explanation of the true Senſe of Kepler, and his Defence.243The feigned Anſwer of Kepler couched in an Artificial Irony.244Kepler is, with reſpect, blamed.422Keplers reconciling of Scripture Texts whith the Copernican Hypotheſis.461KNOW, &c.The having a perfect Knowledge of nothing, maketh ſome beleeve they underſtand all things.84Gods manner of Knowing different from that of Man.87The great Felicity for which they are to be envied, who perſwade themſelves that they Know every thing.164Our Knowledge is a kind of Reminiſcence, according to Plato.169LLIGHT.Light reflected from the Earth into the Moon.52The Reflex Light of uneven Bodies is more univerſal than that of the ſmooth, and why.62The more rough Superficies make greater Reflection of Light than the leſſe rough65Perpendicular Rays of Light illuminate more than the Oblique, and why.65The more Oblique Rays of Light illuminate leſſe, and why,65Light or Luminous Bodies appear the brighter in an Obſcure Ambient.74LINE.The Right Line and Circumference of an infinite Circle are the ſame thing.342LAWYERS.Contentious Lawyers that are retained in an ill Cauſe, keep cloſe to ſome expreſſion fallen from the adverſe party at unawares.324LOOKINGGLASSES.Flat LookingGlaſſes caſt forth their Reflection towards but one place, but the Spherical every way.39LYNCEAN.The Lyncean Academick the firſt Diſcoverer of the Solar ſpots, and all the other Celeſtial Novelties.312The Hiſtory of his proceedings for a long time, about the Obſervation of the Solar Spots.312MMAGNET.Many properties in the Magnet.367The Magnet armed takes up more Iron, than when unarmed.369The true cauſe of the Multiplication of Vertue in the Magnet, by means of the Arming.370A ſenſible proof of the Impurity of the Magnet.371The ſeveral Natural Motions of the Magnet.374Philoſophers are forced to confeſſe that the Magnet is compounded of Celeſtial Subſtances, and of Elementary.375The Error of thoſe who call the Magnet a mixt Body, and the Terreſtrial Globe, a ſimple Body.375An improbable Effect admired by Gilbertus in the Magnet.376MAGNETICK Philoſophy.The Magnetick Philoſophy of William Gilbert.364MAGNITUDE.The Magnitude of the Orbs and the Velocity of the Motions of Planets anſwer proporti
