## A Catalogue of the Portsmouth Collection of Books and Papers Written by Or Belonging to Sir Isaac Newton: The Scientific Portion of which Has Been Presented by the Earl of Portsmouth to the University of Cambridge |

### From inside the book

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Page xi

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**method**by which these results have been obtained . Unfortunately also , the statement given in the first edition , as to the result which he had found by theory for the motion of the PREFACE . xi. Page xiii

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**method**of his own of solving the difficult problem of horizontal refraction . Nothing was known of this**method**, however , until the pub- lication of the correspondence between Newton and Flamsteed by Mr Baily in 1835. In a letter to ... Page xiv

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**method**is general , provided that the differential of the density which is appropriate to any given law of diminution be employed in finding the corresponding differential of the refraction . In an interesting article in the Journal des ... Page xv

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**method**, making repeated ap- proximations to the form of the path , and thus at length succeeding in satisfying all the required conditions . The papers show that the well - known approximate formula for refraction commonly known as ... Page xvi

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**method**was in his possession long before he himself became acquainted with the Differential Calculus . On the other hand Leibnitz , without avowing himself the author of the article in the Leipsic Acts , denied that it really bore the ...### Other editions - View all

### Common terms and phrases

1st Edition 2nd Edition aequalis alloys angulus antimony Apogaei apogee April aqua fortis Arthur Storer autem Bernouilli bismuth calculation Cambridge Chronology Comets Commercium Epistolicum Conduitt containing copy Curves David Gregory describit Differential Calculus distantias Edleston Ellipseos erit extracts from Boyle Fontenelle fusible given Holograph Horsley impulsum infinitely Invenire motum July June Keill Latin latus rectum least resistance Leibnitz lemmas linea Lord Portsmouth Luna in orbe Luna radio Lunar Theory Mathematical Method of Fluxions MISCELLANEOUS moon's apogee motion motum medium Lunae motus Newton's hand Newton's method notes Oldenburg Optical Opticks orbis orbium papers relating particula plano immobili Principia PROP Propositions quam Luna quod radio ad terram receipts recipe refraction regulus Ripley salammoniac scholium Scrap Sept small eccentricity Solid of Least solis sublimate temporis particulis tract treatise umbilico various authors vitriol دو وو