| PAGE |
| FOREWORD BY SIR R. T. GLAZEBROOK, K.C.B., D.SC., F.R.S. | |
| PREFACE | [vii] |
| 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 TOIN GILBERT’S DE MAGNETE | [501] |
| “THE SCHOOL OF ATHENS” | [542] |
| APPENDIX II |
| DISCOVERIES MADE BY WILLIAM GILBERT (DESIGNATED IN DE MAGNETEBY LARGE ASTERISKS) | [545] |
| APPENDIX III |
| HISTORICAL ACCOUNT OF THE UNABRIDGED AND ABRIDGED EDITIONSOF THE ROYAL SOCIETY “PHILOSOPHICAL TRANSACTIONS”; ALSO,OF THE “PHILOSOPHICAL MAGAZINE” AND OF THE “JOURNALDES SÇAVANS—SAVANTS” | [547] |
| APPENDIX IV |
| NAMES OF ADDITIONAL ELECTRICAL AND MAGNETICAL WORKS, PUBLISHEDUP TO 1800 | [553] |
| APPENDIX V |
| MERCATOR’S PROJECTION | [559] |
| GENERAL INDEX OF SELECTED AUTHORS AND SUBJECTS | [565] |