Thomas Willis Pratt Explained

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.

Notes and References

  1. Book: Evans, June . Evans, Benjamin . New England's Covered Bridges . 2004 . University Press of New England . 1-58465-320-5 . Page 8 . registration .
  2. https://worldwide.espacenet.com/publicationDetails/originalDocument?CC=US&NR=3523A&KC=A US patent 3523
  3. Web site: Historic Bridges of Iowa . February 8, 2008 .
  4. Book: Lewis, Edward A. . The Blackstone Valley Line: The Story of the Blackstone Canal Company and the Providence & Worcester Railroad . The Baggage Car . 1973 . Seekonk, Massachusetts . 13 . 2685548.

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