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

https://zanderssplendidnews.publishlane.com/posts/what-is-the-simplest-timeline-of-slot-machine-inventions

Slots have come a long way since Charles Fey’s original three-reel machine. From Bally’s Money Honey, the first electromechanical slot, to the rise of video slots and now smartphone play, these changes made gambling easier and way more fun