The Royal Navy purchased her as a prize and converted her into a Royal Navy store ship , Enchantress .
The British Royal Navy captured Emanuela off the coast of Africa in 1860 with over 800 slaves aboard .
The British Royal Navy   purchased Emanuela as a prize and converted Emanuela into a British Royal Navy   store ship , Enchantress .
The British Royal Navy captured Emanuela off the coast of Africa in 1860 with over 800 slaves aboard .