Download Free The Safegarde Of Saylers Or Great Rutter Contayning The Courses Dystances Deapths Soundings Flouds And Ebbes With The Marks For The Entring Of Sundry Harboroughs Both Of England Fraunce Spaine Ireland Flaunders And The Soundes Of Denmarke With Other Necessarie Rules Of Common Nauigation Translated Out Of Dutch By Robert Norman A Translation Of The Work By Cornelis Anthonisz Known Ashet Leeskaartboek Van Wisbuyand Consisting Of Die Caerte Vander See Om Oost Ende West Te Seylen And Die Caerte Vander Suyder See With Diagrams Bl Book in PDF and EPUB Free Download. You can read online The Safegarde Of Saylers Or Great Rutter Contayning The Courses Dystances Deapths Soundings Flouds And Ebbes With The Marks For The Entring Of Sundry Harboroughs Both Of England Fraunce Spaine Ireland Flaunders And The Soundes Of Denmarke With Other Necessarie Rules Of Common Nauigation Translated Out Of Dutch By Robert Norman A Translation Of The Work By Cornelis Anthonisz Known Ashet Leeskaartboek Van Wisbuyand Consisting Of Die Caerte Vander See Om Oost Ende West Te Seylen And Die Caerte Vander Suyder See With Diagrams Bl and write the review.

In this bibliography of the exact sciences in the Low Countries, Klaas Hoogendoorn gives a detailed analytical description by autopsy of all printed books published by scientists associated with the Low Countries from ca. 1470 to the Golden Age (1700). The books' locations are given, along with secondary bibliographical sources and concise biographies of the authors. Includes indexes of the editions by subject, printer/publisher and person. Along with books on subjects including mathematics, physics, military science and navigation, the second part describes all known almanacs and prognostications for the period, providing the most complete survey yet available. It is a thoroughly revised and expanded update of D. Bierens de Haan’s Bibliographie néerlandaise historique-scientifique ... (Rome, 1883) up to about 1700.
John Napier published his treatise on the discovery of logarithms in 1614. It was written in Latin, the scholarly language of his day, under the title Mirifici Logarithmorum Canonis Descriptio. The importance of the work was quickly perceived and an English language translation by Edward Wright followed two years later, with the title A Description of the Admirable Table of Logarithmes. A further English edition followed in 1618. It is said that this book freed the world from a logjam of calculations. John Napier spent more than twenty years working alone on his system of logarithms, during a time when the multiplication and division of large numbers, as well as the finding of square roots, was considered to be extremely difficult. Because of his discovery of logarithms, these tedious mathematical operations could be replaced by the much easier processes of simple addition, subtraction and division by two. Never again would astronomers, architects, merchants and navigators become bogged down with calculations that were simply too difficult or time consuming to carry out. Seeking a name for his discovery, Napier turned to Greek, coining the word Logarithm from logos (Greek for ratio or reckoning) and arithmos (Greek for number). Johannes Kepler, the imperial mathematician and astronomer at Prague, was one of the first to realize the enormous importance of Naperian logarithms. Initially indifferent, his attitude was quickly changed to one of great enthusiasm when he saw that tables of logarithms could considerably ease the burden of difficult astronomical calculations. The French mathematician and astronomer Pierre Simon Laplace said that logarithms, '...by shortening the labours, doubled the life of the astronomer.' At a congress held in Edinburgh to celebrate the 300th anniversary of the publication of this book, it was remarked that '...no previous work had led up to it; nothing had foreshadowed it or heralded its arrival. It stands isolated, breaking upon human thought abruptly, without borrowing from the works of other intellects or following known lines of mathematical thought.' Thus has posterity judged the worth of John Napier, Baron of Merchiston, and his logarithms.