Historical Essay on the First Publication of Sir Isaac Newton's PrincipiaUniversity Press, 1838 - 188 sider |
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Side 16
... objection is stated in p . 156 ( 1 ) . This note is omitted in the English edi- tion . x P. 205 , in the edition of 1722 . 66 66 propositiones principales , earum quæ in Philosophiæ Principiis 16 NO PROPOSITIONS DRAWN.
... objection is stated in p . 156 ( 1 ) . This note is omitted in the English edi- tion . x P. 205 , in the edition of 1722 . 66 66 propositiones principales , earum quæ in Philosophiæ Principiis 16 NO PROPOSITIONS DRAWN.
Side 17
Stephen Peter Rigaud. 66 66 propositiones principales , earum quæ in Philosophiæ Principiis Mathematicis habentur , Londinum misit : " eædemque cum Societate Regia mox communicatæ " sunt , annoque 1686 liber ille ad societatem missus ...
Stephen Peter Rigaud. 66 66 propositiones principales , earum quæ in Philosophiæ Principiis Mathematicis habentur , Londinum misit : " eædemque cum Societate Regia mox communicatæ " sunt , annoque 1686 liber ille ad societatem missus ...
Side 22
... quæ sit ea methodus . " Another manuscript memorandum , which he has written in the second volume , will make this still more clear . It is noticed in the Commercium Epistolicum , that Newton in 1692 , at Wallis's request , sent him the ...
... quæ sit ea methodus . " Another manuscript memorandum , which he has written in the second volume , will make this still more clear . It is noticed in the Commercium Epistolicum , that Newton in 1692 , at Wallis's request , sent him the ...
Side 23
... [ quæ contigit annis 1665 , " 1666 , ] coegit me hinc fugere et alia cogitarei ; " and in his remarks on Leibnitz , addressed to the Abbé Conti in May 1716 , he says , that he had many papers written in 1664 , 1665 , and 1666 , among ...
... [ quæ contigit annis 1665 , " 1666 , ] coegit me hinc fugere et alia cogitarei ; " and in his remarks on Leibnitz , addressed to the Abbé Conti in May 1716 , he says , that he had many papers written in 1664 , 1665 , and 1666 , among ...
Side 39
... quæ filum susti- 66 " net in circuitu , describet " " grave pendulum figuram ovalem , ut ACB . Ita ta- " men ( quod oppido notan- " dum est ) ut rectæ AB 66 apsides ( ut dicam ) A , B , " continue mutentur , versus " eas partes movendo ...
... quæ filum susti- 66 " net in circuitu , describet " " grave pendulum figuram ovalem , ut ACB . Ita ta- " men ( quod oppido notan- " dum est ) ut rectæ AB 66 apsides ( ut dicam ) A , B , " continue mutentur , versus " eas partes movendo ...
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Historical Essay on the First Publication of Sir Isaac Newton's Principia Stephen Peter Rigaud Uten tilgangsbegrensning - 1838 |
Historical Essay on the First Publication of Sir Isaac Newton's Principia Stephen Peter Rigaud Uten tilgangsbegrensning - 1838 |
Historical Essay on the First Publication of Sir Isaac Newton's Principia Stephen Peter Rigaud Uten tilgangsbegrensning - 1838 |
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Populære avsnitt
Side 62 - But to derive two or three general principles of motion from phaenomena, 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.
Side 73 - The proof you sent me I like very well. I designed the whole to consist of three books ; the second was finished last summer, being short, and only wants transcribing, and drawing the cuts fairly. Some new propositions I have since thought on, which I can as well let alone. The third Wants the theory of comets.
Side 38 - This depends upon three suppositions: — first, that all celestial bodies whatsoever have an attraction or gravitating power towards their own centres, whereby they attract not only their own parts and keep them from flying from them, as we may observe the earth to do, but that they do also attract all the other celestial bodies that are within the sphere of their activity...
Side 34 - And as the earth, so perhaps may the sun imbibe this spirit copiously, to conserve his shining, and keep the planets from receding further from him ; and they that will may also suppose that this spirit affords or carries with it thither the solary fuel and material principle of life, and that the vast ethereal spaces between us and the stars are for a sufficient repository for this food of the sun and planets.
Side 30 - 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.
Side 55 - Mr Wood ! — This is the greatest discovery in nature that ever was since the world's creation. It never was so much as hinted by any man before. I know you will do him right. I hope you may read his hand. I wish he had writ plainer, and afforded a little more paper.
Side 31 - Now is not this very fine ? Mathematicians, that find out, settle, and do all the business, must content themselves with being nothing but dry calculators and drudges ; and another, that does nothing but pretend and grasp at all things, must carry away all the invention, as well of those that were to follow him, as of those that went before.
Side 54 - The second supposition is this, that all bodies whatsoever that are put into a direct and simple motion will so continue to move forward in a straight line till they are, by some other effectual powers, deflected and bent into a motion describing a circle, ellipsis, or some other more compounded curve line. The third supposition is that these attractive powers are so much the more powerful in operating, by how much the nearer the body wrought upon is to their own centers.
Side 50 - ... this power is not found sensibly diminished at the remotest distance from the centre of the earth to which we can rise, neither at the tops of the loftiest buildings, nor even on the summits of the highest mountains, it appeared to him reasonable to conclude that this power must extend much farther than was usually thought : Why not as high as the Moon ? said he to himself ; and, if so, her motion must be influenced by it ; perhaps she is retained in her orbit thereby.
Side 70 - For nature is a perpetual circulatory worker, generating fluids out of solids, and solids out of fluids, fixed things out of volatile, and volatile out of fixed, subtile out of gross, and gross out of subtile ; some things to ascend and make the upper terrestrial juices, rivers, and the atmosphere, and by consequence others to descend for a requital to the former. And as the earth, so perhaps may the sun imbibe this spirit copiously, to conserve his shining...