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

https://www.4shared.com/office/BzBUEH_Ofa/pdf-17514-2043.html

Slots have come a long way since Charles Fey’s original three-reel machines. We’ll take you from the first electromechanical marvels like Bally’s Money Honey to today’s video slots and smartphone games