Charles Fey’s Liberty Bell paid ten nickels for three bells
Slot machines—also fruit machines or pokies—are chance games built around spinning reels. Modern cabinets hide random-number generators behind buttons and touchscreens, yet many keep a lever as nostalgia. U.S. casinos draw roughly seventy percent of average income from slots.
1890s Brooklyn poker drums by Sittman and Pitt spun card faces for barroom nickels, paying drinks rather than coins and sometimes yanking cards to worsen royal-flush odds. Between 1887 and 1895 San Francisco’s Charles Fey simplified to three reels and five symbols—horseshoes, diamonds, spades, hearts, Liberty Bell—so an automatic hopper could pay. Three bells returned ten nickels. Mills copied the Liberty Bell in 1907; fruit icons arrived with gum-vending Operator’s Bell machines and stuck as cherries, lemons, and the bar from Bell-Fruit Gum art.
Bally’s 1963 Money Honey was the first fully electromechanical slot with a bottomless hopper paying up to 500 coins unattended, after which the side lever became mostly decorative. Fortune Coin’s 1976 video prototype in Kearny Mesa used a Sony Trinitron display, won Nevada approval after anti-cheat tweaks, and sold to IGT in 1978. Second-screen bonuses such as WMS’s 1996 Reel ’Em In (and earlier Australian Three Bags Full) layered mini-games atop the spin.
Multi-line video games may offer dozens to over a thousand paylines; “multi-way” layouts pay anywhere left-to-right without fixed lines, up to 3,125 ways on a 5×5 grid. Denominations stretch from penny machines to hundred-dollar high-limit banks. Classic fruit and seven symbols share space with licensed themes such as Wheel of Fortune. From one-armed bandit nickname to ticket-in systems, the cabinet still sells suspense timed to stopping symbols.
Source: Slot machine
