The roots of position models could be tracked back once again to the late 19th century when the very first technical slot equipment, the Liberty Bell, was created by Charles July Fey in 1895. It presented three rotating reels with numerous icons and a lever quietly setting them in motion. The Liberty Bell quickly received acceptance in saloons and bars, providing players an opportunity to win cigars or drinks rather than cash as a result of anti-gambling regulations of the time. This…