The wiper -
The invention of the wiper is due to the U.S. Mary Anderson for work that used to run a taxi to his movements. Victim of accident to poor visibility, and astonishing figures of distances to continually interrupted by the taxi driver who stopped to shovel the windshield of the vehicle, Anderson decided to ensure themselves the lack of windscreen and built a mechanical arm, removable for more as needed.
Legend has it that the clerk laughed at the Patent Office, but within ten years every single taxi in New York mounted his invention ...
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