is named electron—hence his name Electricity; but the ancients knew little about his character, though Thales found that he could draw him from his hiding-place by rubbing him with silk and some other substances. When thus rubbed he became attractive, and drew light creatures towards him—not unlike human sparks! He also showed himself to be fickle, for, after holding these light creatures tight for a brief space, he let them go and repelled them.
It was not till the days of good Queen Bess, towards the end of the sixteenth century, that a Dr. Gilbert discovered that the wild fellow lay lurking in other substances besides amber—such as sulphur, wax, glass, etc. It is now known that Electricity permeates all substances more or less, and only waits to be roused in order to exhibit his amazing powers. He is fond of shocking people's feelings, and has surprised his pursuers rather frequently in that way. Some of them, indeed, he has actually shocked to death!
It would take a huge volume to give a detailed account of all the qualities, powers, and peculiarities of this wild Spark. We will just touch on a few facts which are necessary to the elucidation of our tale.
A great event in the world's history happened in the year 1745. It was nothing less than the
