Abstract: A method for minimizing specular light reflection on copies produced in photocopying machines is provided wherein one or two polarizing filters are located within the photocopying machine.

Abstract: A method and apparatus for processing X-ray film comprising a processing tank having a port in its lower portion, three solenoid valves each having an outlet coupled to the port and operative to allow a developer solution, a fixer solution and water to flow through the respective valve, a drain solenoid valve having an inlet connected to the port and an outlet and being operative to allow working solutions to drain from its inlet to its outlet, sources of photographic developer solution and fixer solution for supplying developer solutin and fixer solution to the respective inlets of two of the valves, a source of water having an orifice connected to the inlet of the third valve, the water having a pressure which is in a predetermined range between a first pressure and a second pressure and being subject to variations, the orifice having a dimension sufficient to provide a turbulent flow of water to the tank when the water valve is open, and an electrical system for selectively supplying electrical signals to