| 摘要 |
A clock comprising a time display arranged to display a range of colours; a means for causing the time display to exhibit any of the range of colours, the colour being exhibited to change gradually with time such that the colour displayed is indicative of time; a global positioning device for identifying the latitudinal position of the clock, and means for shifting the colour displayed such that the colour is indicative of the time at the position of the clock. |
