Jump to navigation Jump to search «One-Armed Bandit» redirects here. Slot machines include a currency detector that validates the online slot games inserted to play.

The machine pays off according to patterns of symbols visible on the front of the machine when it stops. Modern computer technology has resulted in variations on the slot machine concept. The «slot machine» term derives from the slots on the machine for inserting and retrieving coins. Fruit machine» comes from the traditional fruit images on the spinning reels, such as lemons and cherries.

1899 «Liberty Bell» machine, manufactured by Charles Fey. Plaque marking the location of Charles Fey’s San Francisco workshop, where he invented the three-reel slot machine. The location is a California Historical Landmark. Sittman and Pitt of Brooklyn, New York, U. 1891 which was a precursor to the modern slot machine. It contained five drums holding a total of 50 card faces and was based on poker.

Due to the vast number of possible wins with the original poker card-based game, it proved practically impossible to come up with a way to make a machine capable of making an automatic payout for all possible winning combinations. Other early machines, such as the trade stimulator, gave out winnings in the form of fruit-flavoured chewing gums with pictures of the flavours as symbols on the reels. The popular cherry and melon symbols derive from this machine. The first true video slot machine was developed in 1976 in Kearny Mesa, California by the Las-Vegas based Fortune Coin Co.