Dome of Morrison Chambers in Dublin Morrison Chambers was built as the Irish headquarters and Dublin branch of the North British Assurance Company in 1902-3 to the designs of the leading Glaswegian architect, George Washington Browne. More information on this great Edwardian Building Here.More on Architect George Washington Browne Here. TravelBradley FarlowAugust 16, 2018Dublin, Dome, George Washington Browne