Plane and sperical trigonometry with five-place tables a text-book for technical schools and colleges This book, "Plane and sperical trigonometry", by Robert Edouard Moritz, is a replication of a book originally published before 1913. 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.