Optical apparatus for producing changing designs

Claim 1

AN OPTICAL APPARATUS FOR PRODUCING EVER CHANGING DESIGNS COMPRISING A BODY IN THE FORM OF A HOLLOW TUBE OF UNIFORM CIRCULAR CROSS-SECTION TO PROVIDE A LIGHT PATH, AN INLET END OF THE BODY THROUGH WHICH LIGHT RAYS MAY ENTER THE BODY, AN OUTLET END OF THE BODY THROUGH WHICH LIGHT RAYS MAY LEAVE THE BODY, A ROTATABLY MOUNTED PATTERN PRODUCING CELL ADJACENT THE INLET END OF THE BODY, LIGHT POLARIZING DISCS IN THE CELL THROUGH WHICH LIGHT RAYS MAY BE PASSED, LOOSE PIECES OF INTERLEAVING MATERIAL IN RANDOM ARRANGEMENT WITHIN THE CELL ARRANGED SO THAT THEY CAN SLIDE OVER ONE ANOTHER AS THE CELL IS ROTATED, A MULTIVISION LENS WITH AN IRREGULAR SURFACE ADJACENT TO THE OUTLET END OF THE BODY, AND ELONGATED MIRRORS ARRANGED WITHIN THE TUBE TO FORM A LIGHT PASSAGE OF TRIANGULAR CROSS-SECTION EXTENDING ALONG THE LENGTH OF THE BODY FROM THE PATTERN PRODUCING CELL TO THE MULTI-VISION LENS WHEREBY DESIGNS GIVING A THREE-DIMENSIONAL EFFECT INCLUDING PARTLY SUPERIMPOSED ELEMENTS MAY BE PRODUCED.