An elementary treatise on the combustion of coal and the prevention of smoke, chemically and practically considered This book, "An elementary treatise on the combustion of coal and the prevention of smoke, chemically and practically considered", by Charles Wye Williams, is a replication of a book originally published before 1858. 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.