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: P. Blakiston's son & co. in 1915 in 164 pages; Subjects: Water; History / General; Science / Chemistry / Analytic; Science / Environmental Science; Technology & Engineering / Environmental / General; Technology & Engineering / Environmental / Water Supply;