Name and description The windshield wiper was invented by Mary Anderson in 1903 to help street cars...
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Transcript of Name and description The windshield wiper was invented by Mary Anderson in 1903 to help street cars...
Windshield Wipers
Name and description The windshield wiper was invented by Mary
Anderson in 1903 to help street cars to operate safely in the rain. In 1905 she patented her invention witch allowed the car operator to control the external swinging arm wipers from within the car.
history of the inventionMary Anderson, in 1903, lived in New York
City and invented the windshield wiper to help street cars operate safely in the rain and snow.
Facts about windshield wipersWindshield wipers use
two mechanisms to make them work.
An electric mater provides power to keep them moving.
After the wipers are turned off the circuit continues to provide power until the wipers reach the resting point.
Future of the invention
People will keep using wind shield wipers for a very long time. We think windshield wipers will be different colors.
Impact of the inventionWind shield wipers
are sometimes hard to use in the snow.
Thank you for watchingWebsites http://www.factmonster.com/ipka/A0908738.html http://sciencespot.net/Pages/kdzinvent.html http://www.enchantedlearning.com/inventors/http://search.creativecommon.