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.
(via)
M.F.P.
