The book has no 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 the publisher's website (GeneralBooksClub.com). You can also preview excerpts of 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. Title: An Elementary Treatise on Phototopographic Methods and Instruments, Including a Concise Review of Executed Phototopographic Surveys and of Publications on This Subject; Original Publisher: New York Wiley; Publication date: 1906; Subjects: Photographic surveying; Photography / General; Science / Earth Sciences / Geography;