L’Histoire du cinéma par le cinéma 1927

Short French documentary is essentially an "Archeology of Cinema," which is divided into two parts: 1) "The Past: Chronophotography, Origins, Development, First Inventions," and 2) "The Present: Modern Techniques, and applications in science and spectacle," guide spectators trough the various stages of development of moving images as they were understood at the time.