| 摘要 |
A circular sealed panel (1) includes transparent walls (10-13) separated by spacer rings (14-16) to form intervening sealed chambers (18-20). The chambers are filled with different coloured translucent liquids leaving colourless air spaces in each chamber. The panel is supported on friction rollers (2 and 3), one of which is driven by a motor to rotate the panel. The spacer rings (14-16) are formed with cup-like recesses (32) which collect air from the top of each chamber and release it towards the bottom of the chamber so that colourless volumes of air continuously travel upwardly through the chambers thereby presenting continuously moving shapes and colour combinations to an observer looking through the panel.
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