Scale: Circa 1:1,000,000 (lat). Uncoloured chart showing the west coast of Africa from Cape Lopez (Gabon) to Luanda (Angola), with nine insets. Magnetic varitation marked. Coordinates given Insets: Titles anti-clockwise. 1.Alongubuna Point by Navg. Lieutt Heyward HMS Dido 1880 circa 1:37,000 (bar); 2.Entrance Fernard Vaz circa 1:50,000 (bar); 3.Cape Lopez Bay and entrance of Ogowe River circa 1:350,000 (bar); 4.St Paul de Loanda Harbour circa 1:50,000 (bar); 5.Port Ambriz; 6.Vesuvius Shoal and dangers off Margate Head by WS Luke, Master, HMS Boscawen, 1859 circa 1:80,000 (bar); 7.Kabenda Bay chiefly by Lieutenant MS Beatty, HMS Rambler, 1882 circa 1:100,000); 8.Malemba Bay from a sketch by Commr Hay, HMS Prometheus, 1845 circa 1:37,000 (bar); 9.Mayumba Bay by FJ Ray 2nd Master, HMS Viper, 1859 circa 1:37,000 (bar)