Map of Bahreyn [Bahrain] Harbour and the Khaur-el-Bab [Khawr al Bab (a marine channel)]. The map is inscribed: 'Executed in H. M's."Mahi" I.N. [Her Majesty's Schooner Mahi, Indian Navy] as opportunity offered, whilst stationed as Guard Vessel between Bahreyn and Demam [Dammam], from October 185...
