Tags: Engineer.
Frederick Graff (27 August 1775 Philadelphia – 13 April 1847 Philadelphia) was a hydraulic engineer.
Tags: Engineer.
Frederick Graff (27 August 1775 Philadelphia – 13 April 1847 Philadelphia) was a hydraulic engineer.
Loading...
This page contains content from the copyrighted Wikipedia article "Frederick Graff"; that content is used under the GNU Free Documentation License (GFDL). You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.