| 摘要 |
<p>The invention relates to a time-display device (1) which displays intervals of time using the quantity of a medium which has flowed away through an opening (21) since the start of the time interval. The flow rate of the entire medium corresponds to a specific time interval, whereby the size of the opening can be modified during the operation of the time-display device by the intervention of an actuating element (20).</p> |
