00:00The pen would create perfectly spaced dots
00:02Because when it was dragged, the gear would turn to a hidden wheel inside.
00:07As the wheel spun, tiny bumps on the edge pushed a lever up and down,
00:11lifting the pen tip on and off the paper to create the satisfying dots.
00:17By swapping the wheel for others, the pen could create different sized dashes,
00:21Letting architects use a variety of lines for their designs.
00:25But then computers showed up and everyone forgot about this interesting little pen.
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