Chapter IV: Introduction: , BY PROF. SILVANUS P. THOMPSON, D.SC., F.R.S. xiii

LIST OF ILLUSTRATIONS xix

CHRONOLOGICAL SECTION, B.C. 2637 TO A.D. 1821 1

APPENDIX I

ACCOUNTS OF EARLY WRITERS, NAVIGATORS AND OTHERS, ALLUDED TO
IN GILBERT’S _DE MAGNETE_ 501

“THE SCHOOL OF ATHENS” 542

APPENDIX II

DISCOVERIES MADE BY WILLIAM GILBERT (DESIGNATED IN _DE MAGNETE_
BY LARGE ASTERISKS) 545

APPENDIX III

HISTORICAL ACCOUNT OF THE UNABRIDGED AND ABRIDGED EDITIONS
OF THE ROYAL SOCIETY “PHILOSOPHICAL TRANSACTIONS”; ALSO,
OF THE “PHILOSOPHICAL MAGAZINE” AND OF THE “JOURNAL
DES SÇAVANS--SAVANTS” 547

APPENDIX IV

NAMES OF ADDITIONAL ELECTRICAL AND MAGNETICAL WORKS, PUBLISHED
UP TO 1800 553