"Magnetic variation" Quotes from Famous Books
 ... changes going on over the earth's surface conform to physical laws; but then no one pretends that there is any single proximate principle which governs all the phenomena of rain-fall, of soil-crumbling, of magnetic variation, and of the distribution of plants and animals. All these things are explained by principles obtained from the various sciences of physics, chemistry, geology, and physiology. And in just the same way the development and distribution of stories is explained by the help ...
— Myths and Myth-Makers - Old Tales and Superstitions Interpreted by Comparative Mythology • John Fiske |
