The essays in this volume reflect the wideranging interests of John D. Northdistinguished historian of science and philosophy.Section One has papers on horoscop... » 

The essays in this volume reflect the wideranging interests of John D. Northdistinguished historian of science and philosophy.Section One has papers on horoscopes astrolabes and timereckoning and itincludes an edition of a twelfthcentury treatise on the astrolabe and surveysof astrolabes. Section Two is devoted to the study of the medieval cosmos.These contributions discuss Calcidian astronomy astronomy in the SpanishJewish community the role of God in scholastic natural philosophy and otherthemes. New information is presented about previously unknown scholars such asAbd alMas?? of Winchester and Simon Bredon. Section Three contains essays onphilosophy and scholarship in the early modern period including pieces aboutcommentaries on Boethiuss Consolatio Philosophiae in the NorthernRenaissance Spinozistic philosophy and the early modern concept of substance.These essays take up the various themes to which John D. North has madeimportant contributions the development of scientific knowledge andmethodology the style of scientific and philosophical thought and the uses ofscientific knowledge in the making of instruments or the casting of horoscopesthis book will be of much interest to all historians of science and philosophy. «