Slave shackle being removed by a British sailor, 1907. The son of the man who took the photograph wrote the following account of what happened: “The pictures were taken by my father who was serving aboard HMS Sphinx while on armed patrol off the Zanzibar and Mozambique coast in about 1907. They caught quite a few slave traders, and those particular slaves that are in the pictures were liberated while he was on watch. That night a dhow (sailing vessel) sailed by and the slaves were all chained to