the inner cavity 72 of the camera in total darkness from the beginning of this step through the film removal step s the film 124 is placed against the acrylic separator 128 with the photosensitive emulsion side of the film 124 in contact with the side of the acrylic separator 128 opposite the side facing the line rastor 130 d the cardboard insert 136 is placed against the side of the film 124 opposite the side in contact with the acrylic separator 128 e the inner frame 84 is swung into a vertical position and taped in place with sealing tape 126 all around the outer periphery of the inner frame 84 so that the side of the inner frame 84 nearest the lens 62 is flush with the side of the outer frame 82 nearest the lens 62 and so that the area bounded by the plastic sheet 93 vacuum port 100 outer frame 82 sealing tape 126 inner frame 84 sealing tape 134 and line rastor 130 is relatively air tight f a vacuum is drawn in the bounded area described above with the vacuum machine not shown g the slidable carriage 76 is positioned so that the centering line.