The essentials of illustration a practical guide to the reproduction of drawings & photographs for the use of scientists & others This book, "The essentials of illustration a practical guide to the reproduction of drawings and photographs for the use of scientists and others", by Thomas George Hill, is a replication of a book originally published before 1915. 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.