The gas-engine handbook. A manual of useful information for the designer and engineer This book, "The gas-engine handbook. A manual of useful information for the designer and engineer", by Edmund Wilson Roberts, is a replication of a book originally published before 1900. 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.