Miscellanea Curiosa: Containing a Collection of Some of the Principal Phaenomena in Nature, Accounted for by the Greatest Philosophers of this Age ; Being the Most Valuable Discourses, Read and Delivered to the Royal Society, for the Advancement of Physical and Mathematical Knowledge ; as Also a Collection of Curious Travels, Voyages, Antiquities, and Natural Histories of Countries : Presented to the Same Society ; to which is Added, a Discourse of the Influence of the Sun and Moon on Human Bodies, &c. by R. Mead and Also Fontenelle's Preface of the Usefullness of Mathematical Learning, Volume 1W.B., 1708 - 430 pages |
Common terms and phrases
aforefaid alfo Angle anſwer Apogee arife Atmoſphere becauſe befides Blood Bodies Cafe Caufe Cauſe Colours confequently confiderable decreaſes Defcent Degrees Diameter Difcourfe diffolved diſtance eafily Eaft Eafterly Earth equal Equation faid fame Fatus feconds feems felf fenfible Fermentation ferve feven feveral fhall fhew fhould fide fince firft firſt Fluid fmall fome fometimes Force ftill fuch fufficient fuppofe Glaffes Glafs Gravity greater greateſt Heat Hypothefis Increaſe infinite Inftance Inftrument laft Latitude leaft leaſt lefs Light likewife Matter meaſure Mercury moft Moon Moon's moſt Motion muft muſt Nature neceffary Nouriſhment obferv'd Obfervations Oppofition Optick otherwife pafs Parabola Perfons Philofophy Placenta Plants Pofition Pole prefent preffure propofed proportion Quantity raiſe Rays reafon Refraction Sine Sun's Surface Syzygys thefe themſelves ther thereof theſe thing thofe thoſe tion twill Umbilical Vein uſe Uterus Vapours Variation Veffels Velocity Water Weft weight whence whofe Winds
Popular passages
Page 110 - That the colours of all natural bodies have no other origin than this, that they are variously qualified, to reflect one sort of light in greater plenty than another. And this I have experimented in a dark room, by illuminating those bodies with uncompounded light of divers colours. For by that means any body may be made to appear of any colour. They have there no appropriate colour, but ever appear of the colour of the light cast upon them, but yet with this difference, that they are most brisk...
Page 288 - On this depends the Valuation of Annuities upon Lives ; for it is plain that the Purchaser ought to pay for only such a part of the value of the Annuity, as he has Chances that he is living ; and this ought to be computed yearly, and the Sum of all those yearly Values being added together, will amount to the value of the Annuity for the Life of the Person proposed.
Page 97 - SIR. To perform my late promise to you, I shall without further ceremony acquaint you, that in the beginning of the Year 1666 (at which time I applyed my self to the grinding of Optick glasses of other figures than Spherical.) I procured me a Triangular glass-Prisme, to try therewith the celebrated Phaenomena of Colours.
Page 97 - I placed my prism at its entrance, that it might be thereby refracted to the opposite wall. It was at first a very pleasing divertisement, to view the vivid and intense colours produced thereby ; but after a while applying...
Page 101 - For, a circular as well as a progressive motion being communicated to it by that stroke, its parts on that side where the motions conspire, must press and beat the contiguous air more violently than on the other, and there excite a reluctancy and reaction of the air proportionably greater.
Page 106 - twixt colours, and refrangibility, is very precise and strict; the Rays always either exactly agreeing in both, or proportionally disagreeing in both. 3. The species of colour, and degree of Refrangibility proper to any particular sort of Rays, is not mutable by Refraction, nor by Reflection from natural bodies, nor by any other cause, that I could yet observe.
Page 71 - In some places the time of the change is attended with calms, in others with variable winds. And it often happens on the...
Page 105 - tis generally believed), but Original and connate properties, which in divers Rays are divers.
Page 107 - ... and yellow powders, when finely mixed, appear to the naked eye, green, and yet the colours of the component corpuscles are not thereby really transmuted, but only blended.
Page 108 - I have often with admiration beheld, that all the colours of the prism being made to converge, and thereby to be again mixed as they were in the light before it was incident upon the...