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: Longmans, Green and co. in 1916 in 297 pages; Subjects: Chemistry; Chemistry, Technical; Science / General; Science / Chemistry / General; Science / Chemistry / Industrial & Technical; Technology & Engineering / Chemical & Biochemical;