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How did the automatic pin-setting machine change bowling in the 1950s?

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The introduction of the automatic pin-setting machine, or pinsetter, revolutionized bowling in the 1950s by replacing the need for manual labor to reset pins after each frame.1

Before this innovation, bowling alleys relied on human employees to manually clear fallen pins and reset them for the next player. The automation of this process significantly increased the speed and efficiency of the game, allowing for more consistent play and contributing to the rapid growth of bowling as a popular recreational sport during that decade.1