Review Journal
Coin slot machines remain popular despite dwindling numbers
The noise is unmistakable, though it's heard at fewer and fewer casinos these days.
Clank-clank-clank-clank-clank.
That's the sound of money - metal coins hitting a metal tray - signifying slot or video poker winnings at one of the dwindling number of coin-operated machines still in use in the Las Vegas area.
For some, the sound brings nostalgia…