This poster was produced for a lecture tour by a freed slave campaigning for abolition in the United States of America. Math Eitemau Uwchlwytho gan Amgueddfa Cymru
image of a kneeling slave was commissioned by the Abolition Society from the potter Josiah Wedgwood in 1788. Math Eitemau Uwchlwytho gan Amgueddfa Cymru
Welsh copper would have been used to make the brass for these manillas at Birmingham or Bristol. Math Eitemau Uwchlwytho gan Amgueddfa Cymru
A reconstruction of how the Llyn Cerrig Bach chain may have been used. Math Eitemau Uwchlwytho gan Amgueddfa Cymru
