Cards, roulette wheels, and slot reels hold casino history in their marks and...

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

Cards, roulette wheels, and slot reels hold casino history in their marks and moving parts. An 1895 slot machine shows how games changed, while single-zero and double-zero wheels reveal how one small design choice shaped the odds and feel of play.