Casino history lives in the objects people handled: cards, roulette wheels, and...

https://www.fastbookmarks.win/casino-history-lives-in-the-objects-left-behind-marked-cards-roulette-wheels

Casino history lives in the objects people handled: cards, roulette wheels, and slot reels. The shift from single-zero to double-zero wheels shows how a small mechanical change could shape play, odds, and the experience of a night at the tables.