Elements and Practice of Naval Architecture : or a treatise on ship-building, theoretical and practical, on the best principles established in Great Britain, with copious tables of dimensions, scantlings, &c. Illustrated with a series of thirty-nine large draughts, and numerous smaller engravings. With an Appendix, containing the principles and practice of constructing the Royal and Mercantile Navies. As invented and introduced by Sir Robert Seppings, Surveyor of His Majesty's Navy.