Home-made Electrical Apparatus
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Alfred Powell Morgan. Home-made Electrical Apparatus
Home-made Electrical Apparatus
Table of Contents
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
CHAPTER XIX. MISCELLANEOUS EXPERIMENTS AND APPARATUS
ELECTROLYSIS
ELECTROPLATING
ELECTRIC CURRENT GENERATED BY HEAT
A HANDY LIGHT
AN EXPERIMENTAL ARC LAMP
A MAGNETIC DIVER
THE MAGNETIC FISH
A MAGNETIC CLOWN
AN ELECTRIC BREEZE
Отрывок из книги
Alfred Powell Morgan
Published by Good Press, 2021
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The Leyden Jars are made from small test tubes three inches long. The inside of the tube should be coated with tinfoil to within about one inch from the top. The outside of the tube should be coated in the same manner for the same distance. The tinfoil can be secured to the glass with shellac.
The top of the Leyden jars is closed with an ordinary cork. A piece of heavy brass wire bent into the form of a hook should pass through the cork and make connection with the tinfoil on the inside of the tube. One Leyden Jar should be hung over each of the collector rods by means of the hook. The tinfoil coatings on the outside of the jars should be connected together by a piece of wire running across from one tube to the other.
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