Thomas Willis Pratt, born 1812 in Boston, Massachusetts, USA, was an American engineer. He is most well known for his 1844 patent for the Pratt truss, ...
Willis Winslow Pratt
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Willis Winslow Pratt
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Willis Winslow Pratt
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Willis Winslow Pratt
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Willis Winslow Pratt
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Willis W Pratt
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