Steam piping its economical design and correct layout. This book, "Steam piping its economical design and correct layout. No. 3", by A. Langstaff Johnston, is a replication of a book originally published before 1916. 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.