The Life of Sir Isaac NewtonJ. & J. Harper, 1832 - 323 páginas |
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Página 14
... Cause of the Planetary Motions - Dr . Halley urges him to publish his Prin- cipia - His Principles of Natural Philosophy - Proceedings of the Royal Society on this Subject - The Principia appears in 1687- General Account of it , and of ...
... Cause of the Planetary Motions - Dr . Halley urges him to publish his Prin- cipia - His Principles of Natural Philosophy - Proceedings of the Royal Society on this Subject - The Principia appears in 1687- General Account of it , and of ...
Página 16
... Cause of Light and Gravity -On the Excitation of Electricity in Glass - His Reflecting Sex- tant invented before 1700- His Reflecting Microscope - His Pris- matic Reflector as a Substitute for the small Speculum of Reflect- ing ...
... Cause of Light and Gravity -On the Excitation of Electricity in Glass - His Reflecting Sex- tant invented before 1700- His Reflecting Microscope - His Pris- matic Reflector as a Substitute for the small Speculum of Reflect- ing ...
Página 21
... made with sand will wear bigger , which at length causes an inequality in time . " - Stukely's Letter to Dr. Mead . - Turnor's Col- Lections , p . 177 . Newton was at this time " a sober , silent MECHANICAL PURSUITS . 21.
... made with sand will wear bigger , which at length causes an inequality in time . " - Stukely's Letter to Dr. Mead . - Turnor's Col- Lections , p . 177 . Newton was at this time " a sober , silent MECHANICAL PURSUITS . 21.
Página 31
... cause than the imperfect convergency of rays to a single point , and this conjecture was happily realized in those fine discoveries of which we shall now endeavour to give some account . When Newton began this inquiry , philosophers of ...
... cause than the imperfect convergency of rays to a single point , and this conjecture was happily realized in those fine discoveries of which we shall now endeavour to give some account . When Newton began this inquiry , philosophers of ...
Página 33
... cause the dilatation of the colours . In order to try this , he took another prism BCB ' , and placed it in such a manner that the light RRW passing through them both might be refracted contrary ways , and thus returned by BCB ' into ...
... cause the dilatation of the colours . In order to try this , he took another prism BCB ' , and placed it in such a manner that the light RRW passing through them both might be refracted contrary ways , and thus returned by BCB ' into ...
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Términos y frases comunes
Abbé Conti appear astronomical attraction Bentley Biot blue bodies calculus Cambridge centre colours Colsterworth comets Commercium consequence considered curves dated degree Descartes differential calculus discoveries distance doctrine earth edition experiment favour Flamstead force fringes Galileo genius glass gravity Gregory Halley heat Hipparchus honour Hooke Huygens infinite inquiries invention James Gregory John Newton Keill Kepler labours Leibnitz letter London manuscript mathematical ment method of fluxions mind moon motion nature never Newtonian philosophy observations Oldenburg opinion Optics orbit papers Pepys phenomena philosopher planets possession Principia principles prism produced published quadrature rays received reflecting telescope refraction refrangibility remarkable Royal Society scholium seems Sir Isaac Newton space spectrum speculum stars supposed surface theory thickness thin plates tion tonian transmitted Trinity College truth Tycho Tycho Brahe views violet Whiston white light Woolsthorpe yellow
Pasajes populares
Página 300 - I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.
Página 251 - He gave this and the Prophecies of the Old Testament, not to gratify men's curiosities by enabling them to foreknow things, but that after they were fulfilled they might be interpreted by the event, and his own Providence, not the Interpreters, be then manifested thereby to the world.
Página 78 - ... that the ratio of the sines of the angles of incidence and refraction is constant for refraction in the same medium, was effected by Snell and Descartes.
Página 139 - I only hint at present to such as have ability and opportunity of prosecuting this inquiry, and are not wanting of industry for observing and calculating, wishing heartily such may be found, having myself many other things in hand, which I would first complete, and therefore cannot so well attend it. But this I...
Página 248 - For understanding the prophecies, we are, in the first place, to acquaint ourselves with the figurative language of the prophets. This language is taken from the analogy between the world natural and an empire or kingdom considered as a world politic.
Página 303 - he had a very lively and piercing eye, a comely and gracious aspect, with a fine head of hair as white as silver, without any baldness, and when his peruke was off was a venerable sight.
Página 149 - The third I now design to suppress. Philosophy is such an impertinently litigious lady, that a man had as good be engaged in lawsuits, as have to do with her.
Página 256 - WHEN I wrote my treatise about our system, I had an eye upon such principles as might work with considering men for the belief of a Deity ; and nothing can rejoice me more than to find it useful for that purpose.
Página 149 - I must again beg you," says he, "not to let your resentments run so high as to deprive us of your third book, wherein your applications of your mathematical doctrine to the theory of comets, and several curious experiments which, as I guess by what you write ought to compose it, will undoubtedly render it acceptable to those who will call themselves philosophers without mathematics, which are much the greater number.
Página 221 - I do not love to be printed upon every occasion, much less to be dunned and teased by foreigners about mathematical things, or to be thought by our own people to be trifling away my time about them, when I should be about the King's business.