To James Carnegy and Robert Scott Esqrs. of Prince of Wales Island... this Chart of the Islands and Channels at the Southwest Extremity of the China Sea
1824
Malaysia, Singapore, Indonesia
Chart of the Singapore Strait, Riau Archipelago and Lingga Islands, marked with bathymetry (sea depth), side views of landmark mountains (elevations), written notes, and islands, shoals and reefs, all to aid navigation.