Thomas Willis Pratt

Thomas and Caleb's Pratt Truss

Thomas Willis Pratt, born 1812 in Boston, Massachusetts, US,[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] He died in 1875.

References

  1. ↑ Evans, June; Evans, Benjamin. New England's Covered Bridges. University Press of New England. pp. Page 8. ISBN 1-58465-320-5.
  2. ↑ "Historic Bridges of Iowa". Retrieved February 8, 2008.