Standard mechnical examinations on locomotive firing and running being the progressive examinations for the first, second, and third years This book, "Standard mechnical examinations on locomotive firing and running being the progressive examinations for the first, second, and third years", by W.G. Wallace, is a replication of a book originally published before 1912. 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.