General problems of shades and shadows. Formed both by parallel and by radial rays and shown both in common and in isometrical projection. Together with the theory of shading This book, "General problems of shades and shadows. Formed both by parallel and by radial rays and shown both in common and in isometrical projection", by S. Edward Warren, is a replication of a book originally published before 1867. 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.