He pictured the spot where the roulette wheel had been.
During a summer the two students started doing their own research on a roulette wheel which they had bought.
Or maybe it was like the ball in a roulette wheel, bouncing around and looking for the right number.
You can tell an American roulette wheel by the 00.
"That's like putting your money on both red and black at the roulette wheel," he said.
The clicking of the first roulette wheel may not be heard for some time, perhaps years.
They, too, were playing the roulette wheel of medical risk.
A roulette wheel was doing a lively trade in one corner.
While the roulette wheel is turning, nothing else seems to matter.
But none of them were watching the players gathered at the roulette wheels.