Casino history lives in objects left behind: cards shaped for play, roulette...

https://wiki-spirit.win/index.php/Why_Do_Online_Slots_Still_Have_Reels_If_It%E2%80%99s_Just_Software%3F

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.