Elementary lessons in steam machinery and the marine steam engine, with a short description of the construction of a battleship This book, "Elementary lessons in steam machinery and the marine steam engine", by Joseph Langmaid, is a replication of a book originally published before 1893. 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.