Film posters from UFA, the great German movie studio that was home to directors like Fritz Lang, F.W. Murnau, G.W. Pabst, & Ernst Lubitsch during the Weimar era (click on individual posters for hi-res/film & artist info).
Above: The underwater funeral procession scene from 20,000 Leagues Under the Sea(1916, dir. Stuart Paton), the first fictional undersea film.
Below: Diagram for the Williamson photosphere, which was used to shoot the film. The camera & cameraman were placed in the photosphere and lowered into the sea, remaining connected to the surface via a watertight tube.
1910’s-era movie theater etiquette Public Service Announcements (via 1,2)
Most early movie theaters had only one projector so “etiquette slides” were used to divert the audience while reels were being changed. These glass slides often featured lighthearted instructions for proper behavior while viewing a film.