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: Whittaker & Co. in 1888 in 168 pages; Subjects: Science/ Bibliography; Technology/ Bibliography; Science; Technology; Bibliography; Science / Reference; Reference / Bibliographies & Indexes; Technology & Engineering / Reference; Reference / Bibliographies & Indexes;