International Slavery Museum, the Anthony Walker Centre Upcoming Events 26Oct Countess Markievicz… First wave Irish feminism had one goal; get votes for women. The battle of complex political issues, nationalism and unionism are explored in this talk. Read More Back to Venues page Address Mersey Maritime Museum, Albert Dock Liverpool L3 4AX International-Slavery-Museum SlaveryMuseum More Info The Anthony Walker Centre at the International Slavery Museum is on the third floor of the Mersey Maritime Museum. There is a floor plan of this floor, here. The International Slavery Museum takes up the whole of the third floor.