This is an OCR edition without illustrations or index. It may have numerous typos or missing text. However, purchasers can download a free scanned copy of the original rare book from GeneralBooksClub.com. You can also preview excerpts from the book there. Purchasers are also entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Original Published by: Lockwood & Co. in 1873 in 315 pages; Subjects: Coal; Coal mines and mining; Technology & Engineering / Mining; Technology & Engineering / Power Resources / General; Technology & Engineering / Power Resources / Fossil Fuels;