The year is 1924, and a carnival barker at the Maitland Show shouts through a megaphone, enticing passers-by to come and see Hanco the escape artist. "I don't know if the Hanco of Syd's photograph was one of the Hanco Brothers reported in 1905, but he may well have been," Mr Ray said. "Houdini visited Australia in 1910, and I …