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

https://penelopesultimateblogs.hexaforgey.com/posts/why-casino-tables-separate-the-game-from-what-s-happening-around-it

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.