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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

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Page 1: 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

Windshield Wipers

Page 2: 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

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.

Page 3: 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

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.

Page 4: 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

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.

Page 5: 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

Future of the invention

People will keep using wind shield wipers for a very long time. We think windshield wipers will be different colors.

Page 6: 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

Impact of the inventionWind shield wipers

are sometimes hard to use in the snow.

Page 7: 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

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