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When Peter Henlein created the first portable timepiece in the 16th century, he launched an thriving industry that's survived to become centuries old. Learn more about infamous inventions in this... (more info)

When Peter Henlein created the first portable timepiece in the 16th century, he launched an thriving industry that's survived to become centuries old. Learn more about infamous inventions in this video from HowStuffWorks' "Infamous Inventors" series.

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