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- Mary_Walton abstract "Mary Walton was a nineteenth-century American inventor who was awarded two patents for pollution-reducing devices. In 1879, Walton created a method for reducing the environmental hazards of the smoke emitted from locomotive, industrial and residential chimneys. Her system deflected the emissions being produced by factory smokestacks into water tanks, where the pollutants were retained and later flushed "into the sewer, or into other suitable channels for conducting them to a distant or any desired locality".Mary Walton also invented a system for reducing the noise produced by the elevated railway systems that were rapidly expanding in New York City, where she lived near the Sixth Avenue Line. Her system deadened the noise caused by trains running over the tracks by cradling the tracks in a wooden box lined with cotton and filled with sand. The rights to her invention, patented in 1881, were sold to the Metropolitan Railroad for $10,000 and the system was soon adopted by other elevated railway companies.".
- Mary_Walton wikiPageExternalLink Mary-Walton.aspx.
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- Mary_Walton name "Walton, Mary".
- Mary_Walton shortDescription "American inventor".
- Mary_Walton description "American inventor".
- Mary_Walton description "American inventor".
- Mary_Walton subject Category:American_inventors.
- Mary_Walton subject Category:Women_in_technology.
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- Mary_Walton comment "Mary Walton was a nineteenth-century American inventor who was awarded two patents for pollution-reducing devices. In 1879, Walton created a method for reducing the environmental hazards of the smoke emitted from locomotive, industrial and residential chimneys.".
- Mary_Walton label "Mary Walton".
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- Mary_Walton givenName "Mary".
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- Mary_Walton name "Mary Walton".
- Mary_Walton name "Walton, Mary".
- Mary_Walton surname "Walton".