1st ed, 26 plates, 1748. Small oblong folio, 28*21.5cm, in contemporary blue paper wraps, a little faded at edges, corners and edges lightly bumped and worn. Spine, chipped with some loss, no title. Internally, small library label to fpd, engraved title page, [2], [iv], [8] subscribers and addenda], 26 plates (2 folding, 24 charts), 20 pp Improvements, faint blind stamp on each pl, the dedication dated Feb 2, 1748, whilst all the plates are signed Sept 29, 1748, engraved by Natl Hill. Housed in a modern up and over blue cloth box. Uncommon to find in this contemporary condition. Title continues: Lately surveyed under the direction of the Lords of the Admiralty, and now published by their permission. With an Appendix concerning the Improvements that might be made in the several Harbours, Etc. for the better securing the Navigation in these Parts. Together with a short account of the Trade and Manufacturers on that Coast.