Opticks:: Or, A Treatise of the Reflections, Refractions, Inflections and Colours of LightWilliam Innys at the West-End of St. Paul's., 1730 - 382 páginas |
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Página 22
... Motions , in the common Period of its Progress and Regress ; and when the Image fell upon that Place , I made fast the Prism . And in this Posture , as the most convenient , it is to be understood that all the prisms are placed in the ...
... Motions , in the common Period of its Progress and Regress ; and when the Image fell upon that Place , I made fast the Prism . And in this Posture , as the most convenient , it is to be understood that all the prisms are placed in the ...
Página 27
... Motions it seemed Stationary , I stopp'd the Prism , that the Refractions of both sides of the refracting Angle might be equal to each other , as in the former Experiment . In this Situation of the Prism viewing through it the said Hole ...
... Motions it seemed Stationary , I stopp'd the Prism , that the Refractions of both sides of the refracting Angle might be equal to each other , as in the former Experiment . In this Situation of the Prism viewing through it the said Hole ...
Página 44
... Motion of the Sun , and consequent Motion of his Image on the Book , all the Colours from that red to the middle of the blue pass'd over those Let- ters ; and when those Letters were illuminated by that blue , I noted again the Place of ...
... Motion of the Sun , and consequent Motion of his Image on the Book , all the Colours from that red to the middle of the blue pass'd over those Let- ters ; and when those Letters were illuminated by that blue , I noted again the Place of ...
Página 47
... Motion of the first Prism , the Rays MG are also reflected to N and increase the number of the Rays Nt . And therefore the Light MN admits into its Composition , first the more refrangible Rays , and then the less refrangible Rays , and ...
... Motion of the first Prism , the Rays MG are also reflected to N and increase the number of the Rays Nt . And therefore the Light MN admits into its Composition , first the more refrangible Rays , and then the less refrangible Rays , and ...
Página 48
... Motion of the two prisms , the rest of the Rays also by a total Reflexion vanished in order , according to their degrees of Refrangibility . The Light therefore which emerged out of the two Prisms is compound- ed of Rays differently ...
... Motion of the two prisms , the rest of the Rays also by a total Reflexion vanished in order , according to their degrees of Refrangibility . The Light therefore which emerged out of the two Prisms is compound- ed of Rays differently ...
Otras ediciones - Ver todas
Opticks: Or, A Treatise of the Reflections, Refractions, Inflections ... Isaac Newton Vista de fragmentos - 1952 |
Opticks: Or, A Treatise of the Reflections, Refractions, Inflections ... Isaac Newton Vista de fragmentos - 1931 |
Términos y frases comunes
alfo alſo Angle Antimony appear Aqua fortis arife becauſe blue Bodies breadth caft caufed cauſe Circle colour'd compofed compounded confequence copiouſly Cryſtal dark defcribed denfity Diameter diftinct diſtance equal Experiment farther fecond feem fenfible feven feveral fhall fide firft firſt Fits of eafy fmall fome fometimes forts of Rays Fringes ftance fucceffively fuch fuppofe gible Glaffes Glafs Glaſs greateſt green hole Inch Inci increaſed indigo leaſt lefs Lens leſs Lines lours meaſured Medium Mixture moft moſt Motion muſt Numbers Obfervations oblique Opticks orange pafs Paper parallel Particles perpendicular Phænomena placed Plane Plates Pofition Prifm Priſm PROP Propofition Proportion Rays of Light reafon reflected Reflexion refrangible Rays reft reprefent ſeveral Shadow Sine of Incidence Sine of Refraction Spectrum Speculum Subftances Sun's Light Surface Teleſcopes thefe Colours theſe thickneſs thofe thofe Rays thoſe Tranfmiffion tranfmitted tranfparent unuſual violet Water whitenefs whofe yellow
Pasajes populares
Página 369 - ... the Instinct of Brutes and Insects, can be the effect of nothing else than the Wisdom and Skill of a powerful ever-living Agent, who being in all Places, is more able by his Will to move the Bodies within his boundless uniform Sensorium, and thereby to form and reform the Parts of the Universe, than we are by our Will to move the Parts of our own Bodies.
Página 367 - ... to derive two or three general principles of motion from phenomena, and afterwards to tell us how the properties and actions of all corporeal things follow from those manifest principles, would be a very great step in philosophy, though the causes of those principles were not yet discovered: and therefore I scruple not to propose the principles of motion above mentioned, they being of very general extent, and leave their causes to be found out.
Página 368 - And so must the Uniformity in the Bodies of Animals, they having generally a right and a left side shaped alike, and on either side of their Bodies two Legs behind, and either two Arms, or two Legs, or two Wings before upon their Shoulders, and between their Shoulders a Neck running down into a Back-bone, and a Head upon it; and in the Head two Ears, two Eyes, a Nose, a Mouth, and a Tongue, alike situated.
Página 362 - And thus nature will be very conformable to herself and very simple, performing all the great motions of the heavenly bodies by the attraction of gravity which intercedes those bodies and almost all the small ones of their particles by some other attractive and repelling powers which intercede the particles.
Página 371 - And if Natural Philosophy in all its parts, by pursuing this method, shall at length be perfected; the bounds of Moral Philosophy will be also enlarged. For so far as we can know by Natural Philosophy what is the First cause, what power He has over us, and what benefits we receive from Him; so far our duty towards Him, as well as that towards one another, will appear to us by the light of Nature.
Página 369 - Will; and he is no more the Soul of them, than the Soul of Man is the Soul of the Species of Things carried through the Organs of Sense into the place of its Sensation, where it perceives them by means of its immediate Presence, without the Intervention of any third thing.
Página 363 - The vis inertiae is a passive Principle by which Bodies persist in their Motion or Rest, receive Motion in proportion to the Force impressing it, and resist as much as they are resisted. By this Principle alone there never could have been any Motion in the World.
Página 343 - ... Salt and unites with it, and in Distillation the Spirit of the common Salt or Salt-petre comes over much easier than it would do before, and the acid part of the Spirit of Vitriol stays behind; does not this argue that the fix'd Alcaly of the Salt attracts the acid Spirit of the Vitriol more strongly than its own Spirit, and not being able to hold them both, lets go its own?
Página 368 - Now by the help of these Principles, all material Things seem to have been composed of the hard and solid Particles above-mentioned, variously associated in the first Creation by the Counsel of an intelligent Agent. For it became him who created them to set them in order.
Página 334 - What is there in places almost empty of matter, and whence is it that the sun and planets gravitate towards one another, without dense matter between them ? Whence is it that nature doth nothing in vain; and whence arises all that order and beauty which we see in the world?