Hemisferium Classic Praxinoscope H63The Praxinoscope is one of the earliest forms of motion picture. It works in a very similar manner to a picture flip book, where a series of static images flash at frequencies that cause us to perceive them as a continuous moving image. The design of the Praxinoscope is deceptively simple; 12 brass mirrors mounted around a central column reflect a strip of printed paper towards the viewer. When the central frame is spun, each of these mirrors mounted