Three-d viewer

Claim 1

A VIEWING DEVICE FOR PRESENTING A PICTURE IN THREE DIMENSIONAL FORM COMPRISING IN COMBINATION AN ELONGATE VIEWING BOX WHICH IS ERECTABLE FROM A FLAT UNASSEMBLED COLLAPSED PACKAGE TO DEFINE A VIEWING CHAMBER HAVING FRONT, REAR, TOP, BOTTOM AND SIDE WALLS, SAID TOP WALL HAVING A CUT OUT PORTION PROVIDING AN OPENING FOR ADMITTING SLIDES INTO SAID CHAMBER AND FOR ADMITTING LIGHT TO SAID CHAMBER TO ILLUMINATE SAID SLIDES WHEN MOUNTED THEREINTO SAID CHAMBER THROUGH SAID CUTOUT PORTION, SAID GUIDE MEANS PROVIDING A PLURALITY OF GROOVED MOUNTING MEANS DISPOSED IN SAID BOX BENEATH SAID OPENING AND ARRANGED IN SERIES LONGITUDINALLY THEREOF FOR REMOVABLY AND SLIDABLY MOUNTING A PLURALITY OF SLIDES SIMULTANEOULSY IN SAID CHAMBER TRANSVERSELY OF SAID BOX AND NORMAL TO SAID SIDE AND BOTTOM WALLS AND IN SPACED APART OPPOSITION TO ONE ANOTHER SUCH THAT ALL OF THE SLIDES ARE SPANNED BY SAID OPENING AND SUCH THAT THE ENTIRE SURFACE AREA OF SAID SLIDES EXPOSED TO VIEW IS ILLUMINATED BY LIGHT ENTERING THE BOX THROUGH SAID OPENING IN A DIRECTION GENERALLY PARALLEL TO SAID SLIDES, A VIEWING OPENING IN THE FRONT OF SAID BOX IN ALIGNMENT WITH SLIDES MOUNTED THEREIN, SAID CUTOUT PORTION BEING SPACED FROM SAID FRONT END WHEREBY SAID WALLS PROVIDE A SHADED AREA INTERMEDIATE SAID VIEWING OPENING AND SAID SLIDES, A FIRST SLIDE INSERTABLE IN SAID CHAMBER BENEATH SAID CUTOUT PORTION AND RETAINABLE BY SAID MOUNTING MEANS, SAID FIRST SLIDE HAVING A PART OF SAID PICTURE DEPICTED ON THE FRONT SIDE THEREOF, AND ONE OR MORE TRANSPARENT SECOND SLIDES INSERTABLE IN SAID CHAMBER AND RETAINABLE THEREIN BY SAID MOUNTING MEANS BENEATH SAID CUTOUT PORTION FORWARDLY OF SAID FIRST SLIDE IN SPACED APART OPPOSITION THERETO, SAID SECOND SLIDES EACH HAVING ANOTHER PART OF SAID PICTURE DEPICTED ON A PORTION THEREOF WHEREBY SAID SLIDES WHEN VIEWED THROUGH SAID OPENING PRESENT A COMPOSITE PICTURE.