books.google.com - But the story does not begin or end with the star attraction at the Columbian Exposition. The idea of the Ferris wheel may be as old as the water wheel and written descriptions and drawings of pleasure wheels go back at least four centuries. And during the last hundred years, the Ferris wheel has become...http://books.google.com/books/about/Ferris_wheels.html?id=SkFQ5tgWKfEC&utm_source=gb-gplus-shareFerris wheels
