Miscellanea Curiosa: Being a Collection of Some of the Principal Phaenomena in Nature, Accounted for by the Greatest Philosophers of this Age. Together with Several Discourses Read Before the Royal Society, for the Advancement of Physical and Mathematical Knowledge..J. B., 1705 - 361 pages |
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afcend aforefaid alfo anfwering Angle Apogee becauſe befides Bodies Cafe Caufe cauſe Coaſt Colours confequently confiderable decreaſe Defcent Degrees demonftrated diffolved diſtance eafily Eaft Earth equal Equation faid fame Fatus feconds feems felf Fermentation ferve feve feveral fhall fhew fhould fide fince firft firſt Fluid fmall fome fometimes Force ftill fuch fufficient fuppofe Glaffes Glafs Gravity greater greateſt Heat Inch of Mercury Inches increaſe infinite Inftance Inftrument Juices Latitude leaft leaſt lefs Lens Light likewife Matter Mercury moft Moon Moon's moſt Motion muft muſt neceffary Nouriſhment obferv'd Obfervations oppofite otherwife pafs Parabola Perfons Placenta Plants Pole prefent preffure propofed Propofition proportion Quantity Rays reafon refiftance Refraction reprefent Saliva Sine Sun's Surface Syzygy terreftrial thefe ther thereof theſe thofe thoſe tion twill Umbilical Vein uſe Uterus Vapours variation Veffels Vegetables Velocity Water Weft weight whence whofe Winds
Popular passages
Page 99 - As the Rays of light differ in degrees of Refrangibility, so they also differ in their disposition to exhibit this or that particular colour. Colours are not Qualifications of Light derived from Refractions, or Reflections of natural Bodies (as 'tis generally believed), but Original and connate properties, which in divers Rays are divers.
Page 3 - ... which being once filled, all the overplus of water that comes thither runs over by the lowest place, and breaking out by the sides of the hills forms single springs...
Page 94 - Prism without, so that the Light might pass through it, and be refracted, before it was terminated by the Hole: But I found none of those Circumstances material. The Fashion of the Colours was in all these Cases the same.
Page 93 - 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 104 - I shall conclude with this general one. 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...
Page 108 - ... there are in the yellow mixture many rays indued with green, and green being less remote from the usual blue colour of bise than yellow, is the more copiously reflected by it.
Page 86 - Air muft necellarily be attenuated, when and where the faid Winds continue to blow, and that more or lefs according to their Violence ; add to which, that the Horizontal Motion of the Air, being fo quick as it is, may in all Probability, take...
Page 87 - ... remark, the air muft needs be heaped over this ifland, and confequently the mercury muft ftand high, as often as thefe winds blow. This holds true in this country, but is not a general...
Page 103 - I said, is generated whiteness, if there be a due proportion of the ingredients ; but if any one predominate, the light...
Page 104 - 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 and vivid in the light of their own daylight colour.