Slots have come a long way since Charles Fey’s original three-reel machine....

https://charlottessuperjournals.tearosediner.net/how-did-casinos-move-from-coins-to-accounts-and-tickets

Slots have come a long way since Charles Fey’s original three-reel machine. From Bally’s Money Honey introducing electromechanical magic to today’s video slots and smartphone apps, we explore how this evolution transformed gaming