Bakelite cover for the Bluff Watch, with a Davenport demon logo

The magician asks a person to set the hand on a clock to an hour and then place the Bakelite cover on top so as to hide the face. The magician takes the watch back and mysteriously reveals the hour to which the watch was set. Unfortunately the collection only contains the Bakelite cover, but by kind permission of Malcolm Norton we also illustrate the trick from his own collection.