Everyone knows how a slot machine works. You put your money in, pull the lever and hope that the reels match up for the big payout. What you may not know is that the history of slot machines is fascinating and shows just where they’re headed in the future.

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The Origin of Slot Machines

The term “slot machine” originally referred to standard vending machines when it was first coined back in the 1880s. The name comes from dropping a nickel into the coin slot to get the product you wanted.

By 1885, the first machines designed for gambling were created, but they bore little resemblance to what we call a slot machine today. These were novelty machines that featured things like toy horses racing around a small track, and patrons of bars and saloons would often bet nickels or tokens that could be redeemed for drinks and cigars.

In 1891 a Brooklyn establishment developed a machine that was closer to what we know today. This machine had five drums, and each drum had 10 different card faces on it, which made it a primitive slot poker machine. Like before, people would put nickels in and get drinks or cigars as prizes based on the hands they won. The 10 of spades and jack of hearts were not included on most machines, which made it harder for people to get a royal flush. A big problem, however, was that automatic payouts were impossible due to a large amount of winning combinations.

History of Slot Machines at the Turn of the 1900s

Finally, in 1894-5, a Bavarian-born San Franciscan named Charles Fey created the “Liberty Bell”, the first true slot machine. This used three spinning reels with five symbols on each. These symbols were the eponymous bells, hearts, spades, diamonds, and horseshoes. The simpler and smaller method allowed automatic payouts of actual cash, and three bells produced the biggest payout of 50 cents. Over 100 of these machines were made, but only four survive today due to the 1906 earthquake and subsequent fire.

Competitors quickly refined the original design. By 1909, they were finding ways to circumvent the bans on slot machines that were being imposed by many states and cities. The card suits were replaced with the now-ubiquitous fruits, and anyone who got three like fruits would win some chewing gum of that flavor.

Most of these early “chewing gum dispensers” didn’t have slots for nickels, and the financial transactions were done over the bar itself. They did, in time, have slots for ejecting chewing gum. The “bar” symbol was developed in 1910, and it was originally a variation on the logo of the Bell-Fruit Gum Company. In 1916, the first true jackpot originated when the Mills Novelty Company developed a way to regurgitate all the machine’s coins with certain reel combinations.

By 1920, however, many states caught on, and even these machines were banned. In 1931, gambling was legalized in Nevada, and slot machines quickly became a top method of making money. By 1951, Nevada was the only state that had legal slot machines, but other states and other countries started having changes of heart because of the amount of money that could be made.

By 1963, the first fully electromechanical slot machine, “Money Honey”, had been invented. This allowed things such as bottomless coin hoppers, automatic payouts of up to 500 coins, and 3- or 5-coin multipliers, allowing extra ways to play and win. In 1976, the first true all-video machines were created, where people could just press a button.

In 1986, the method of linking multiple machines of the same type was developed, allowing higher super jackpots linked to anyone playing on those machines. Improvements in computer technology and random number generation have led to the slots we love today.

Why Are Slots So Popular?

First, they’re designed to make the player seem like they have more control over the game. This is despite the fact that they actually have less control over how they fare than they would with anything else in a casino. There’s no dealer involved, no other players and no one standing by to remind you of what you have to do. There’s just you and the machine.

Second, they’re designed for people to have fun. Unlike card games, which involve a lot of pressure, psychology and personal skill to win, the only thing you have to do is pull the lever or press the button to enjoy the sounds and pictures. If you do manage to win a good amount, you are greeted with bright lights and virtual confetti on top of your winnings.

Third, they’re designed to bring out all of our ideas about luck. Since they are computerized to ensure a completely random outcome, we get to see if crossing our fingers or holding that rabbit’s foot actually means something.

What the Future Holds for Slot Machines

The technology continues to evolve and adapt to new trends in gaming. Millennials are less likely to use slot machines than their elders because they prefer skill to sheer luck. To solve this problem, new skill-based machines are being developed.

As sports betting is expanding, another concept being reviewed is a combination betting machine that would allow players to bet on sports and slots at the same time. Voice controls are also on the horizon for many slot machine manufacturers, and so are machines that accept cryptocurrencies such as Bitcoin.

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Black Diamond Slot Review

Black Diamond is a game that is tailor-made not for players who just want a retro-style slot machine, but players who want something that’s as close as possible to the old Vegas classics.

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Everi Gaming provides fast reels, a clean design and customizable paylines to deliver a new machine that has the feel of the old antiques. While it lacks the flashy bonus features of other modern slots, the Black Diamond slot machine has a few tricks up its sleeves with potential progressive jackpots and multipliers.

Featuring a nostalgic design, this clean and simple design may disappoint players used to flashier graphics. The symbols are classic sevens and bars, although the single, double and triple sevens do come in separate colors to make them a little easier to keep straight.

The wild spaces add a little more variety with the Black Diamond logo adding a little shine to the reels. Their commitment to the old look goes as far as including blank spaces.

The sound effects stay true too, with only chimes and bells to signal the spinning wheels and winning paylines. The only modern allowance visible is that the spinning reels do glow red with excitement when a jackpot may be forming.

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Black Diamond: Core Gameplay

This older style machine has a fairly focused number of ways to win. Black Diamond has three reels and three rows, with nine potential paylines. The paylines can stay visible on the screen to help players track potential wins as the reels settle.

This is particularly important because players can choose to player fewer than nine paylines if they wish. The game allows players to bet on one, three, five or seven paylines if they want to stretch out their buy-in. Although players cannot pick the specific paylines they want, each payline is already numbered and ranked one through nine.

The inclusion of blank spaces on the reels and the fairly small number of paylines means that payouts are a little rarer, but they tend to be a little bigger than other machines.

The only payout that’s below break even for a 9-line bet is an unmatched set of bars. The sets of sevens are a good payout on a normal payline, but the really big paydays rely on the jackpots and multipliers.

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Special Features

Black Diamond offers a progressive jackpot for players betting the maximum amount of three credits on all nine paylines, for a total of 27 credits.

The Black Diamond spaces are normally just wild spaces, but if three of them fall on a payline they count as jackpot spaces. If they fall on paylines one through eight, it triggers the minor progressive jackpot.

Falling on the ninth payline, which is a V-shaped line through the top left, center and top right spaces, triggers the major progressive jackpot.

Players who don’t want to bet the maximum aren’t completely removed from the jackpot though. Hitting the minor jackpot when the bet isn’t maxed pays 300x the line bet, and hitting the major jackpot pays 5,000x the line bet.

One more way to win big is through the multipliers that can appear on the reels. Certain symbols will randomly appear with special multipliers stamped on top of them. If these special spaces fall within a winning payline, they multiple the line by that amount.

More important though, is that multiple multiplier spaces in a payline are able to stack all the way up to 30x for huge payouts.

Multipliers are never added to Black Diamond spaces, which means that jackpots can’t be multiplied. Although any symbol other than the wild spaces can have a 2x multiplier. Single bar and the single red sevens can also have a 3x multiplier. The 5x multiplier can appear on the double bars, yellow double sevens and blue triple sevens.

Old School Charm and Limitations

The Black Diamond machine is an oasis for fans of the old mechanical slot machines who want a little trip back in time.

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Players who are tired of trying to hit it big in bonus rounds or interactive games will appreciate the simple mechanics. The 95.95% RTP also keeps it a good value for more seasoned players planning on a long run. Obviously, anyone seeking a little more style or fun bonus action will be disappointed and should try another game.

While the progressive jackpot and surprise multipliers provide a little of the fun from more modern machines, this game is all about watching those three reels fly.

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