The Life of Sir Isaac Newton |
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Página 35
... enough for his purpose , he observed that the difference between the length
MN of the image , and the diameter of the hole H , was proportional to their
distance HM , which could not have happened had the rays moved in curvilineal
paths .
... enough for his purpose , he observed that the difference between the length
MN of the image , and the diameter of the hole H , was proportional to their
distance HM , which could not have happened had the rays moved in curvilineal
paths .
Página 39
Some time afterward , indeed , he “ made some trials both with a little concave
and convex speculum , ” but , “ possessed with the fancy of the defective figure ,
he would not be at the pains to fix every thing in its due distance . " Such were the
...
Some time afterward , indeed , he “ made some trials both with a little concave
and convex speculum , ” but , “ possessed with the fancy of the defective figure ,
he would not be at the pains to fix every thing in its due distance . " Such were the
...
Página 45
... fifteen inches in focal length , he read in the Philosophical Transactions at the
distance of 500 feet , and frequently saw the five satellites of Saturn together , - a
power which was beyond the reach even of Hadley ' s six - feet instrument .
... fifteen inches in focal length , he read in the Philosophical Transactions at the
distance of 500 feet , and frequently saw the five satellites of Saturn together , - a
power which was beyond the reach even of Hadley ' s six - feet instrument .
Página 53
The other method of recomposing white light consisted in making the spectrum
fall upon a lens at some distance from it . When a sheet of white paper was held
behind the lens , and removed to a proper distance , the colours were all
refracted ...
The other method of recomposing white light consisted in making the spectrum
fall upon a lens at some distance from it . When a sheet of white paper was held
behind the lens , and removed to a proper distance , the colours were all
refracted ...
Página 54
And after he had at that distance viewed them well , he answered , that they were
both good whites , and that he could not say which was best , nor wherein their
colours differed . ” Hence Newton inferred that perfect whiteness may be ...
And after he had at that distance viewed them well , he answered , that they were
both good whites , and that he could not say which was best , nor wherein their
colours differed . ” Hence Newton inferred that perfect whiteness may be ...
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Términos y frases comunes
able appear attraction blue bodies calculus Cambridge cause centre colours communicated consequence considered contained continued curves dated death determine direction discovered discoveries distance doctrine doubt earth East Lothian edition equal experiment explain express fact force give given glass gravity heat important inquiries interesting invention labours Leibnitz letter light London manuscript mathematical matter means method mind moon motion nature never object observations obtained opinion Optics orbit original particles pass person philosopher planets plate possession present Principia principles prism produced published rays reason received referred reflected refraction remarkable respecting Royal Society says seems seen Sir Isaac Newton space spectrum supposed surface telescope theory thing thought tion transmitted true truth views written 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.
Información bibliográfica
| Título | The Life of Sir Isaac Newton Tema 26 de Harper's family library |
| Autor | Sir David Brewster |
| Editor | J. & J. Harper, 1832 |
| Procedencia del original | Universidad de Harvard |
| Digitalizado | 5 Mar 2008 |
| Largo | 323 páginas |
| Exportar cita | BiBTeX EndNote RefMan |