 Complete the following phrase:  In the 1890s, Grimoin-Sanson began experiments in moving pictures, and desired to project films, like those from Thomas Edisons kinetoscope, on screen. In 1896, he invented a crude cameraprojector combination called the Phototachygraphe. In 1897, he patented the Cinéorama, a panoramic film projection system involving ten synchronized projectors. The Cinéorama was demonstrated at the 