New Cathechism of Electricity: A Practical Treatise

New Cathechism of Electricity: A Practical Treatise

THE great forces of the world are invisible and, impalpable ; we cannot grasp or handle them ; and though they are real enough they have the appearance of being very unreal.

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Table of Contents:

COVER

PREFACE

INTRODUCTION

ELECTRICITY

MAGNETISM AND MAGNETS

PRIMARY BATTERIES

THE MAGNETIC AND ELECTRIC CURRENT

ANIMAL ELECTRICITY

"POINTS" RELATING TO THE ELECTRIC CURRENT

ELECTRO-MAGNETIC INDUCTION

ELECTRICAL RESISTANCE

CONDUCTORS AND NON-CONDUCTORS

ELECTRICAL MEASUREMENTS

SYMBOLS, ABBREVIATIONS AND DEFINITIONS

THE DYNAMO

THE ARMATURE

FIELD MAGNETS

COMMUTATORS

THE BRUSHES

DYNAMO FOUNDATIONS

CARE AND MANAGEMENT OF THE DYNAMO

PRACTICAL RULE FOR COUPLING UP FIELD MAGNET COILS

REGULATING DYNAMOS

COUPLING OF DYNAMOS

DESIGNING A DYNAMO

DISTORTION OF MAGNETIC FIELD IN THE DYNAMO

EDDY CURRENTS

DISEASES OF DYNAMO

EXCESSIVE HEATING OF DYNAMOS

VARIATION OF SPEED AND VOLTAGE

TESTING FOR CONDUCTIVITY AND INSULATION

THE ALTERNATOR

MOTORS

ELECTRICAL POWER TRANSMISSION

THE DYNAMOTOR

TRANSFORMERS

ELECTRIC LIGHTING

THE ELECTRIC RAILWAY

LINEMEN'S CONSTRUCTION TOOLS

CARE AND MANAGEMENT OF THE STREET CAR MOTOR

THE TELEPHONE

THE TELEGRAPH

ELECTRIC BELLS

THE ELECTRIC ELEVATOR

ACCIDENTS AND EMERGENCIES

INDEX