Context
Autumn 1902. The SS Fort Salisbury, a 4,435 ton passenger and cargo steamer of the Bucknall line, worked the route between Britain and South and East Africa. On October 28 she was just south of the Equator, at latitude 5 deg. 31 min. S., longitude 4 deg. 42 min. W. Open Atlantic, south of the Gulf of Guinea proper.