CONTENTS.

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CHAPTER I.
Introductory Remarks.
Introduction; means of producing sparks; Induction—Simple induction coils—Ruhmkorff Coils 1
CHAPTER II.
Multiple Gas Lighting.
Application of induction coils to gas-lighting—Forms of burners used—Pendant Burners—Ratchet Burners—Stem Burners—Welsbach Burners—Burners for Acetylene Gas—Burners for Gasolene—Automatic Burners 7
CHAPTER III.
Connections and Wiring.
How to connect up apparatus—Wiring a house—Locating breaks or short-circuits—Wiring in finished houses—General remarks 26
CHAPTER IV.
Primary Coils and Safety Devices.
How to make a simple induction coil—Automatic Cut-outs—The Syracuse Cut-out—Boston Cut-out—Edwards’ Cut-out 46
CHAPTER V.
Lighting of Large Buildings.
Series or Jump Spark System—Burners used—How to Wire—Edwards’ Condenser System—Switches for series lighting—How to make a 2-inch spark, Ruhmkorff Coil 55
CHAPTER VI.
How to Select Batteries for Gas Lighting.
Electrical Rules—Electromotive force—Amperes—Resistance—Selecting a battery—Arrangement of battery—Series—Multiple—How to get high voltage or large current—The Leclanche Cell—The Samson Cell—The Dry Cell and how to make one—The Edison-Lalande Cell—The Fuller Cell—Care and maintenance of batteries 78

                                                                                                                                                                                                                                                                                                           

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