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

https://charlottessuperjournals.tearosediner.net/cards-wheels-and-reels-what-actions-do-they-allow-and-block

Casino history lives in the objects people handled: playing cards, roulette wheels, and slot reels. An 1895 San Francisco machine offers a close look at the mechanics behind familiar games, including the difference between single zero and double zero.