HB book, "An Elementary, PRactical and Theoretical Treatise on Navigation . . . ", by Maury, 2nd ed., revised, 1843, by Edward Biddle, 216 pages with some illustrations, with 174 pages of tables.  Book is in decent shape, leather cover has heavy wear and some staining/discoloration -- mainly on the edges.  Binding is pretty good, but cracking about an inch or so in the front.  has neat label in the front from the U.S. Navy, has some water damage -- primarily on the lower corner, and heavy towards the front, some yellowing, name written in the front (and stamped in the front), has age spots/foxing on page ends, clean pages.  Let me know if you have any questions.  A neat book.