1To James Madison from Benjamin Henry Latrobe, 28 June 1811 (Madison Papers)
...764.58 for some castings required to build a steam engine in the Washington Navy Yard, but by...
2Benjamin Henry Latrobe to Thomas Jefferson, 2 July 1812 (Jefferson Papers)
...the Navy Yard where I have put up a Steam engine that forges all the Iron & saws all the...
3To James Madison from Benjamin Henry Latrobe, 30 December 1816 (Madison Papers)
...Months introducing at the same time the use of the Steam-engine into our country.