Mirrors, prisms and lenses a text-book of geometrical optics This book, "Mirrors, prisms and lenses a text-book of geometrical optics", by James P. C. Southall, is a replication of a book originally published before 1918. 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.