The Walschaert locomotive valve gear a practical treatise on the locomitive valve actuating mechanism originally invented by Egide Walschaerts, with the history of its development by American and European engine designers, and its evolution into the mecha This book, "The Walschaert locomotive valve gear a practical treatise on the locomitive valve actuating mechanism originally invented by Egide Walschaerts", by William Wallace Wood, is a replication of a book originally published before 1907. 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.