Casino history is written in objects: cards worn by play, roulette wheels...

https://www.historyfiles.co.uk/support/historyES431-Cards-Wheels-and-Reels.htm

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.