Three bells in a row produced the biggest payoff, ten nickels (50). Liberty Bell was a huge success and spawned a thriving mechanical gaming device industry. Even when the use of these gambling devices was banned in his home. The popular cherry and melon symbols derive from this machine. The BAR symbol now common in slot machines was derived from an early logo of the Bell-Fruit Gum Company. The payment of food prizes was a commonly used technique. The prototype was mounted in a full size show-ready slot machine cabinet. The first production units went on trial in the Las Vegas Hilton Hotel. After some "cheat-proofing" modifications, the video slot machine was approved by the Nevada State. The electromechanical approach of the 1960s allowed Money Honey to be the first slot machine with a bottomless hopper and automatic payout of up to 500 coins without the help of an attendant. 13 The popularity of this machine. The machine pays off based on 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. Slot machines are the most popular gambling method. A slot machine american English jeux casino en ligne legal casino roulette gratuit hawks informally fruit machine british English puggy scottish English slang 1 the slots canadian and American English poker machine (or pokies in slang) australian English and. New Zealand English ) or simply slot american English. The Liberty Bell machine was so popular that it was copied by many slot machine manufacturers. Thus in 1907, manufacturer Herbert Mills from Chicago produced a slot machine called the Operator Bell. By 1908 lots of "bell" machines were.