His idea: A giant mechanical Robot Walking Elephant Car.
Powered by a four cylinder Chevy engine with hydraulics hidden inside an anatomically correct body cavity, the elephant is capable of speeds of up to 20 mph.
Stuart made three of Robot walking elephants in 1947. One is housed in a museum in Austria, one in a private museum in Chicago, and one was kept by the inventor, then by his family after his death. It is this last that is pictured here.
It will be coming up for public auction.
Certainly, this in one of the most remarkable automata ever created.
Check out the Elephant Automaton