Charles Fey, the inventor of the slot machine, invented 2 machines. The first one was in 1897 and it was called the Liberty bell. The second one was called the Mills machine. The slot machine is the only casino game that originated in America. The liberty bell machine had three reels with symbols, was played with nickels and paid out at an average rate of three to one.Slot machines were all the rage during the depression. In 1931, gambling was legalized in Nevada and slots found a home. When you walk into any casino today you see row after row of slot machines. They are so popular because they are simple to play and have large payouts.There are three main components or parts of a slot machine. They are the cabinet, the reels and the payout tray. The cabinet houses all the mechanical parts of the slot machine. The reels contain the symbols that are displayed. These symbols can be just about anything. The first ones had fruit on them. The payout tray is where the player collects their winnings. This has now been replaced by a printer in most land based casinos.Playing a slot machine is simple. First, you place your money in the machine. Today’s machines will take all denominations of bills. You can put in as much money as you want. This money will be converted into credits that can be used in the machine.After the player pulls the spin handle or pushes the spin button they watch the reels spin until they stop one by one. If the symbols match the machine sends coins, tokens or printed tickets to the payout tray and the player wins. The player can then play again if they have more credits. If not the player can put more coins or tokens into the machine and try their luck again.In land based casinos there is a service light or candle on top of the slot machine. This can be activated by the player if they have a question, want a drink, need change or has a technical problem. In order to activate the light the player should push the change button. This will set off the light or candle and it will blink to let the employee’s know that assistance is needed. The light or candle will automatically blink if there is a winner. A player should never walk away from a machine with a blinking light it could mean you are a winner. If you walk away from a blinking light machine you will not be able to claim the winnings.Some of the slots in casinos are very simple to play, one coin with one payout. Some are more complicated and have multiple payout lines. And then there are some that are very complicated and have progressive payout lines.When you are playing a slot machine you should make sure that you know all the rules to the game. Make sure you know all the payout and betting rules. If you have any question you should ask a casino employee and they will be able to tell you the rules and regulations to any slot machine.