Thief of Time - Show me

Then Ronnie Soak sighed and went into the cream-settling room. Large wide bowls stretched away into the distance and, if Ronnie had ever allowed another to notice this, the distance contained far more distance than is ever found in a normal building.

'Show me,' he said.

The surface of the nearest bowl of milk became a mirror, and then began to show pictures…

***

The Thief of Time - p237