Single sheet. Engr. Scale: [ca.1:28 000 (bar)]. Cartographic Note: Ungraduated. North at 292 degrees. Scales in toises. Contents Note: Seven insets [ca. 1:14 500 (bar)] of landing places and their beacons, Table of bearings for the beacons headed by a view of a ship in a tempest, Cartouche bottom right with depictions of the lighthouses of Ile de Re and Ile d'Oleron and a ship. Text transl: Le Marechal de Castries, recognising the utility of the project presented by Mr Compere Laubier, a merchant of Oleron, which aims to indicate to seafarers, by means of beacons, the parts of the coast of this island where, in the event of shipwreck, one can save the crew, cargoes and sometimes the ships, has ordered the works to be carried out as shown on this chart.