Spirals in nature and art a study of spiral formations based on the manuscripts of Leonardo da Vinci, with special reference to the architecture of the open staircase at Blois, in Touraine, now for the first time shown to be from his designs This book, "Spirals in nature and art a study of spiral formations based on the manuscripts of Leonardo da Vinci", by Theodore Andrea Cook, is a replication of a book originally published before 1903. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.