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Thomas Willis Pratt
American engineer From Wikipedia, the free encyclopedia
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Thomas Willis Pratt, (born 1812, Boston, Massachusetts)[1] was an American engineer. He is best known for his 1844 patent for the Pratt truss, which he designed with his father, Caleb Pratt.[2][3] Pratt also surveyed the route of the Providence and Worcester Railroad in 1844.[4] He died in 1875.
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