Phantasmagoria and The Wizard Of Oz

This text from a website about magic lanterns is reminiscent of the moment the Wizard of Oz is exposed:

“In the late eighteenth century several showmen used the lantern to produce horror shows. These were known as “Phantasmagoria” shows. A variety of horrific images were projected to frighten the audience, examples being ghosts projected on smoke to give a frightening appearance and images that would move around the walls. Often the projector was behind a translucent screen, out of the view of the audience. This greatly added to the mystery of the show.”