| 摘要 |
PCT No. PCT/EP86/00749 Sec. 371 Date Aug. 13, 1987 Sec. 102(e) Date Aug. 13, 1987 PCT Filed Dec. 13, 1986 PCT Pub. No. WO87/03971 PCT Pub. Date Jul. 2, 1987.The picture viewing device comprises a housing and a slider member, which may be displaced backwards and forwards relative to one another and parallel to a viewing window, in order thereby to rearrange cyclically a pile of pictures. The pile is located in a removable container which has an opening complementary with the window and openings which allow the pile to be changed. Optionally, components of the change-over mechanism are contained in the container. The container may be formed by the slider member itself.
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