Chapter II: Preface

CHAPTER I. STATIC ELECTRICAL APPARATUS ............................
How to Build a Wimshurst Machine. ...............................
Experiments with Static Electrical Apparatus. ...................
CHAPTER II. CELLS AND BATTERIES. ..................................
The Voltaic Cell. ...............................................
Homemade Batteries. .............................................
Battery Solutions or Electrolytes. ..............................
Connecting Cells. ...............................................
Storage or Secondary Cells. .....................................
An Experimental Storage Cell. ...................................
A Homemade Storage Cell. ........................................
Recharging and Caring for Storage Cells. ........................
CHAPTER III. HOW TO REDUCE THE 110 V. D.C. OR A.C. TO A LOWER
VOLTAGE FOR EXPERIMENTAL PURPOSES. ................................
CHAPTER IV. HOW AN ALTERNATING CURRENT MAY BE CHANGED INTO DIRECT
CURRENT BY MEANS OF AN ELECTROLYTIC RECTIFIER. ....................
CHAPTER V. HOW TO BUILD A STEP-DOWN TRANSFORMER FOR REDUCING THE 110
VOLT A. C. FOR EXPERIMENTAL PURPOSES. .............................
CHAPTER VI. ELECTRIC MEASURING INSTRUMENTS ........................
Galvanometers, Ammeters, Voltmeters. How to Make a Galvanometer. .
The Construction of Ammeters and Voltmeters. ....................
CHAPTER VII. CURRENT CONTROL DEVICES. .............................
How to Make a Pole Changing Switch or Current Reverses How to
Reverse a Small Motor. ..........................................
How to Make a Small Battery Rheostat for Regulating the Speed of
Small Motors, Etc. ..............................................
CHAPTER VIII. HOW TO MAKE A TELEGRAPH KEY AND SOUNDER AND INSTALL A
TELEGRAPH LINE. ...................................................
CHAPTER IX. HOW TO MAKE AND INSTALL A TELEPHONE. ..................
CHAPTER X. MEDICAL COILS AND SHOCKING COILS. ......................
CHAPTER XI. THE CONSTRUCTION OF SPARK COILS. ......................
Experiment 1—An Imitation Gassiot’s Cascade. ....................
Experiment 2—A Ghostly Light ....................................
Experiment 3—Lighting Geissler Tubes. ...........................
Experiment 4—Flickering Light. ..................................
Experiment 5—Rotating a Geissler Tube. ..........................
Experiment 6—Fluorescent Writing. ...............................
Experiment 7—An Electric Bomb. ..................................
Experiment 8—Electrifying the Garbage Can. ......................
Experiment 9—How to Make an Electric Spark Photograph Itself. ...
CHAPTER XII. HOW TO MAKE A DYNAMO-MOTOR ...........................
CHAPTER XIII. AN ELECTRIC BATTERY MOTOR. ..........................
CHAPTER XIV. HOW TO BUILD AN ELECTRIC ENGINE. .....................
CHAPTER XV. MINIATURE BATTERY LIGHTING. ...........................
CHAPTER XVI. COHERER OUTFITS FOR WIRELESS TELEGRAPHY. .............
CHAPTER XVII. HOW TO BUILD A TESLA HIGH FREQUENCY COIL. ...........
CHAPTER XVIII. AN EXPERIMENTAL WIRELESS TELEPHONE. ................