The Life of Sir Isaac NewtonJ. & J. Harper, 1832 - 323 páginas |
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Página 121
... curves , he was led to the discovery that Mars revolved round the sun in an elliptical orbit , in one of the foci of which the sun itself was placed . The same observations enabled him to determine the dimensions of the planet's orbit ...
... curves , he was led to the discovery that Mars revolved round the sun in an elliptical orbit , in one of the foci of which the sun itself was placed . The same observations enabled him to determine the dimensions of the planet's orbit ...
Página 138
... curve line . The third supposition is , that those attractive pow- ers are so much the more powerful in operating by how much the nearer the body wrought upon is to their own centres . Now , what these several degrees are 1 have not yet ...
... curve line . The third supposition is , that those attractive pow- ers are so much the more powerful in operating by how much the nearer the body wrought upon is to their own centres . Now , what these several degrees are 1 have not yet ...
Página 147
... curves generated thereby to be wholly your own . much of this is so you know best , as likewise what you have to do in this matter . Only Mr. Hooke seems to expect you would make some mention of him in the preface , which it is possible ...
... curves generated thereby to be wholly your own . much of this is so you know best , as likewise what you have to do in this matter . Only Mr. Hooke seems to expect you would make some mention of him in the preface , which it is possible ...
Página 151
... curve in which a body could move when acted upon by a force varying inversely as the square of the distance ; and he established the conditions de- pending on the velocity and the primitive position of the body , which were requisite to ...
... curve in which a body could move when acted upon by a force varying inversely as the square of the distance ; and he established the conditions de- pending on the velocity and the primitive position of the body , which were requisite to ...
Página 168
... curves . The method of exhaustions which was used for this purpose con- sisted in finding a given rectilineal area ... curve , and in the case of the parabola it was found by Archimedes to be two - thirds of the area formed by ...
... curves . The method of exhaustions which was used for this purpose con- sisted in finding a given rectilineal area ... curve , and in the case of the parabola it was found by Archimedes to be two - thirds of the area formed by ...
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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.