Casino history lives in things people handled: cards, roulette wheels marked...
https://wiki-tonic.win/index.php/Cards,_Wheels,_Reels:_Which_One_Changed_the_Look_of_Casinos_the_Most%3F
Casino history lives in things people handled: cards, roulette wheels marked single-zero or double-zero, and slot reels made to turn chance into spectacle. This article traces how small design choices reveal changing games and public tastes.