The author of this book is now the historiographer and library-keeper to the Emperour. He publisht this volume some few years agoe at hamburg, the place of his birth, (whence an exemplar was but lately sent to the publisher.) He was excited to this vvork by the complaint made by the illustrious Lord Verulam, (Lib. 2. cap.4. de Angm. scientiarum) of the want of a compleat history of learning, that might give a satisfactory account od the rise, progesse, trans-migrations, interruptions, declinations, and restaurations of all kind of learning, sciences, arts and inventions;