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Description:23 20 14 00 Invention of the ancestor of the fax "Radiogram, RCA", communication. Close-up man who places document in machine which makes him turn. Radiographic transmission of the reproduction. In the other office, man receives the document which goes out of its machine. Speed, transfer. Close-up document which goes out of the machine. Invention, for road safety, close-up train and car which arrives simultaneously, small barriers goes out of the road, they were in the ground. Close-up panels of road marking. Cars stop, the train passes. They disappear then in the ground, car restarts.
