| 摘要 |
The point counting and display device comprises a box (1) containing a series of wheels (6) mounted on a common spindle. The wheels are rotated manually step by step. Each wheel carries on its edge, accessible from outside the box, a series of information (8) which appear successively through a window (5). The box also contains a free draw wheel (9) carrying on its edge a series of symbols (10).
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