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. Volume: 1; Original Published by: National Academies in 1934 in 412 pages; Original Identifier: NAP:17047; Subjects: Chemistry; Juvenile Nonfiction / Science & Nature / Chemistry; Science / Chemistry / General; Science / Chemistry / Organic; Science / Chemistry / Physical & Theoretical;