The main precursor to the movie projector was the magic lantern. In its most common setup it had a concave mirror behind a light source to help direct as much light as possible through a painted glass picture slide and a lens, out of the lantern onto a screen. Simple mechanics to have the painted images moving were probably implemented since Christiaan Huygens introduced the apparatus around 1659. Initially, candles and oil lamps were used, but other light sources, such as the argand lamp and limelight were usually adopted soon after their introduction. Magic lantern presentations may often have had relatively small audiences, but the very popular phantasmagoria and dissolving views shows were usually performed in proper theatres, large tents or especially converted spaces with plenty seats.
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