| 摘要 |
<p>The system presentation display is intended especially for printed rule of play, which show a picture of the roulette wheel with numbers, as in 2938909. A transparent disc (2) is easily rotatably secured to printed rule forms (1). The disc carries system points (3,7) distributed at random, with an enlarged guide point (7) of different shape etc. The disc may be a circumferential edge (4), below the numbers, which may be written on. It also has a window to mark the numbers which have come up, on the form. The disc may be fastened to the printed roulette wheel form via a central rivet.</p> |
