If a body electrified in any manner whatever behaves as the glass does , that is , if it repels the glass and attract the resin , the body is said to be ` vitreously ' electrified , and if it attracts the glass and repels the resin it is said to be ` resinously ' electrified . If a body electrified in any manner whatever behaves as the glass does , that is , if it repels the glass and attracts the resin , the body is said to be ` vitreously ' electrified , and if it attracts the glass and repels the resin it is said to be ` resinously ' electrified .