Cards, roulette wheels and slot reels preserve casino history in their details....

https://www.historyfiles.co.uk/support/historyES431-Cards-Wheels-and-Reels.htm

Cards, roulette wheels and slot reels preserve casino history in their details. A look at 1895 San Francisco shows how familiar games took shape, and how small design choices can reveal the people, places and mechanics behind the play.