Thomas Willis Pratt
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
- ↑ Evans, June; Evans, Benjamin. New England's Covered Bridges. University Press of New England. pp. Page 8. ISBN 1-58465-320-5.
- ↑ "Historic Bridges of Iowa". Retrieved February 8, 2008.
This article is issued from Wikipedia - version of the Friday, July 25, 2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.