Thomas Willis Pratt

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

References

  1. ^ US patent 3523, in European Patent Office database
  2. ^ "Historic Bridges of Iowa". Retrieved February 8, 2008.
  3. ^ Lewis, Edward A. (1973). The Blackstone Valley Line: The Story of the Blackstone Canal Company and the Providence & Worcester Railroad. Seekonk, Massachusetts: The Baggage Car. p. 13. OCLC 2685548.
  4. ^ Evans, June; Evans, Benjamin (2004). New England's Covered Bridges. University Press of New England. pp. Page 8. ISBN 1-58465-320-5.


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