If a second piece of glass be rubbed with a second piece of resin , and if the piece be then separated and suspended in the neighborhood of the former pieces of glass and resin , it may be observed : These phenomena of attraction and repulsion are called electrical phenomena , and the bodies that exhibit them are said to be ` electrified ' , or to be ` charged with electricity ' .
These phenomena of attraction and repulsion are called Electrical phenomena and the bodies which exhibit them are said to be ` electrified ' , or to be ` charged with electricity ' .