Mille chemins du temps tells the story of a singular industrial adventure. The writing of cinema has been nourished by inventions that have given it movement, voice, color… The inventor Jean-Pierre Beauviala and the engineers of Aaton have marked the history of cinema in recent decades, by giving directors other ways of approaching reality or telling stories. The camera “cat on the shoulder”, the marking of time, the “Paluche” are as many technical means as paths offered to the filmmakers, to go and meet the public.