English: Diagram from "Spirit Rapping Made Easy," a series of articles by the conjurer Henry Novra on the tricks employed by fraudulent mediums. At Mr. Home’s séance, a spectator felt a touch on his shoulder that he attributed to being brushed by the foot of the medium as the levitating medium floated past him. Here, an alternative hypothesis, showing a man in the pitch-dark room climbing on a chair behind the spectator. Once a Week magazine, volume 3, page 518.