Dedication

pp iii-iv

THE PREFACE

pp v-xxvii

Contents

pp xxviii-xxxvi

PART I - THE HISTORY OF ELECTRICITY

PERIOD I - EXPERIMENTS and discoveries in electricity prior to those of Mr. Hawkesbee

pp 1-14

PERIOD II - The experiments and discoveries of Mr. Hawkesbee

pp 15-25

PERIOD III - The experiments and discoveries of Mr. Stephen Grey, which were made prior to those of Monsieur Du Faye, and which bring the history of electricity to the year 1733

pp 26-44

PERIOD IV - The experiments and discoveries of Mr. Du Faye

pp 45-53

PERIOD V - The continuation, and conclusion of Mr. Grey's experiments

pp 54-63

PERIOD VI - The experiments of Dr. Desaguliers

pp 64-69

PERIOD VII - Experiments of the Germans, and of Dr. Watson, before the discovery of the Leyden phial in the year 1746

pp 70-80

PERIOD VIII - The history of electricity, from the discovery of the Leyden phial in the year 1746, till Dr. Franklin's discoveries

pp 81-157

PERIOD IX - The experiments and discoveries of Dr. Franklin

pp 158-192

PERIOD X - The history of electricity, from the time that Dr. Franklin made his experiments in america, till the year 1766

pp 193-432

PART II - A SERIES OF PROPOSITIONS, COMPRISING ALL THE GENERAL PROPERTIES OP ELECTRICITY

pp 433-440

PART III - THEORIES OF ELECTRICITY

SEC. I - Of philosophical theories in general, and the theories of electricity preceding that of Dr. Franklin

pp 441-454

SEC. II - The theory of positive and negative electricity

pp 455-467

SEC. III - Of the theory of two electric fluids

pp 468-478

PART IV - DESIDERATA IN THE SCIENCE OF ELECTRICITY, AND HINTS FOR THE FURTHER EXTENSION OF IT

SEC. I - General observations on the present state of electricity

pp 479-486

SEC. II - Queries and hints calculated to promote further discoveries in electricity

pp 487-498

SEC. III - Branches of knowledge peculiarly useful to an electrician

pp 499-507

PART V - OF THE CONSTRUCTION OF ELECTRICAL MACHINES, AND THE PRINCIPAL PARTS OF AN ELECTRICAL APPARATUS

SEC. I - General observations on the construction of an electrical apparatus

pp 508-524

SEC. II - A description of some particular electrical machines, with observations on their principal advantages and defects

pp 525-534

PART VI - PRACTICAL MAXIMS FOR THE USE OF YOUNG ELECTRICIANS

pp 535-546

PART VII - A DESCRIPTION OF THE MOST ENTERTAINING EXPERIMENTS PERFORMED BY ELECTRICITY

pp 547-550

SEC. I - Entertaining experiments in which the Leyden Phial is not used

pp 551-560