This infographic presents complete information about slot machines from 1887 to present. The first all mechanic slot machine is Liberty Bell, in 1963 ? its money honey. ?In the year 1979, Walt Fraley invented the first video slot machine named Fortune Coin. The first progressive slot machine was invented by IGT in the year 1986. With the evolution of internet, now we can access wide range of slot machine games online. You can get detailed information about the invention and working from the infographic.
Source: Slot Machine