Table of Contents: Preface vii Introduction: Philosophy and Operationalism 1 1. "What was Worth Knowing" in 1500 10 2. Humanism and Ancient Wisdom: How to Learn Things in the Sixteenth Century 30 3. The Scholar and the Craftsman: Paracelsus, Gilbert, Bacon 49 4. Mathematics Challenges Philosphy: Galileo, Kepler, and the Surveyors 65 5. Mechanism: Descartes Builds a Universe 80 6. Extra-Curricular Activities: New Homes for Natural Knowledge 101 7. Experiment: How to Learn Things about Nature in the Seventeenth Century 131 (...) 8. Cartesians and Newtonians 149 Conclusion: What was Worth Knowing by the Eighteenth Century 168 Notes and References 171 Documentation and Further Reading 181 Dramatis Personae 193 Glossary of Major Terms 197 Index 201. (shrink)