The Forces of Nature
Barker, George Frederick Excerpt from The Forces of Nature: An Address Delivered Before the Chemical Society of Union College, July 22d, 1863Let us therefore take a few examples among the best known forces and see in what their peculiar essence consists.Take a rod Of glass, for instance, and rub it with a piece Of silk, and at once there is developed, both in the glass and in the Silk, a peculiar power. By bringing light bodies in the vicinity of either the glass or t...