Casino history lives in objects left behind: cards shaped for play, roulette...
https://www.web-bookmarks.win/cards-roulette-wheels-and-slot-reels-carry-casino-history-in-their-materials
Casino history lives in objects left behind: cards shaped for play, roulette wheels built around single-zero or double-zero odds, and slot reels that turned chance into spectacle. A look at 1895 shows how small mechanisms carry big stories.