- An early version of the x-ray machine that was placed in stores by the J.W. Bass shoe company, and offered free “skeletal images” to show correctable defects in customers’ feet.
- A technique used by surrealist artist Man Ray, to produce images by placing objects directly on photo paper.
- A machine in a Ray Bradbury short story that was able to take photographs of the future – often depicting the demise of its various owners.
- A device that appeared in just one of L. Frank Baum’s 14 Oz books; it printed out a time line of a person’s future moods.
- A predecessor to the microwave oven than used plutonium-90 to cook food without flames, usually.