1To John Jay from Peter Augustus Jay, 5 April 1801 (Jay Papers)
...for that purpose. He has completed the Steam Engines for the Philadelphia Water Works; but...
2To James Madison from Robert R. Livingston, 13 June 1801 (Madison Papers)
Having turned my attention to the steam Engines
3To Thomas Jefferson from Richard Claiborne, 22 August 1802 (Jefferson Papers)
...go. I am endeavoring to get a steam engine brought forward, where the great advantage lies...
4To James Madison from Samuel Morey, 5 September 1802 (Madison Papers)
...was awarded a patent in 1803 for improvements on a steam engine.
5To Thomas Jefferson from James Sylvanus McLean, 30 September 1802 (Jefferson Papers)
...which circumscribe the use of steam engines in their present construction, are the...
6To James Madison from Isaac Briggs, 11 October 1802 (Abstract) (Madison Papers)
...are a specification of an improvement in the steam engine for which Samuel Briggs, Jr.,...
7To Thomas Jefferson from Benjamin H. Latrobe, 9 November 1802 (Jefferson Papers)
The Gentleman who erected the Steam engines of the Waterworks contracted for the use of all the...
8To Thomas Jefferson from Richard Claiborne, 12 December 1802 (Jefferson Papers)
...force to render the invention publicly useful. The steam engine is my aim—and tho’ it has...
9To Thomas Jefferson from Horatio G. Spafford, 30 October 1803 (Jefferson Papers)
...over a patented invention intended to augment the power of steam engines (Julian P. Boyd,
10To Thomas Jefferson from Daniel French, 5 July 1804 (Jefferson Papers)
...a patent for his own “improvements in the steam engine for boats, mills, etc.” until 12...