Casino history is hiding in plain sight: in a deck’s worn edges, a roulette...

https://varimail.com/articles/why-reels-became-the-default-way-to-show-slot-outcomes/

Casino history is hiding in plain sight: in a deck’s worn edges, a roulette wheel’s single-zero or double-zero layout, and the changing faces of slot reels. These objects offer a close-up look at how games and public entertainment changed over time.