Scale: circa 1:7,500,000. Blue back chart with linen-bound edges. Nine insets. Nine vies. Oceanic currents coloured. Printed tracks of Heather Bell, Cape Horn to Equator, 21 days, 1857, and Omar Pasha, Equator to meridian of Cape of Good Hope, 16 days, 1854. Panel at right hand side showing tidal, magnetic and wind charts of South Atlantic. Imray trade label on back: chart "accompanied with a book entitled 'Sort Notes and Sailing Directions with Remarks on Making Passages to accompany a chart of the South Atlantic' by W H Rosser: Price 12s Insets: 1. Fernando Noronha [circa 1:95,000]; 2. Tristan de Cunha [circa 1:125,000]; 3. San Pedro or St Pauls Rocks [circa 1:25,000]; 4. Anchorage of Gough's Isle [circa 1:5,000]; 5. The Rocas [circa 1:40,000]; 6. Ascension [circa 1:95,000]; 7. St Helena [circa 1:95,000]; 8. Martin Vaz Islets [circa 1:100,000]; 9. Trinidad [circa 1:70,000]