Casino history is written in objects: cards worn by play, roulette wheels...
https://www.a1bookmarks.win/cards-roulette-wheels-and-slot-reels-hold-casino-history-in-their-marks-and
Casino history is written in objects: cards worn by play, roulette wheels shaped by single-zero or double-zero odds, and slot reels that made chance a spectacle. A machine from 1895 offers a tangible clue to how gambling changed.