Science/Technology/Inventions
| Title | Daily Entry | 
|---|---|
| 22 April 1792 | GW at Philadelphia. He dined with twenty-two of the visiting Five Nations chiefs, their interpreter, and Rev. Samuel Kirkland. | 
| 23 March 1792 | GW at Philadelphia. GW sent the Five Nations a speech, “to cement the peace between the United States and you,” and a white belt of wampum. | 
| 21 March 1792 | GW at Philadelphia. Thomas Jefferson sent GW his letter to the Commissioners for the District of Columbia, which included Samuel Blodget’s proposed loan to finance projects in the federal city. | 
| 10 February 1792 | GW at Philadelphia. GW directed his personal secretary Tobias Lear to write to Attorney General Edmund Randolph and offer condolences on the death of Randolph’s sister. | 
| 03 April 1791 | GW at Mount Vernon. | 
| 20 March 1791 | GW at Philadelphia. Rodolph Vall-Travers, a Swiss intellectual, wrote to GW offering his services in reporting on the current state of arts and sciences in Europe. | 
| 20 March 1789 | GW at Mount Vernon. | 
| 25 January 1790 | GW, in N.Y., wrote in a long diary entry that he received a petition from printer Francis Bailey asking to see his new invention that would prevent the counterfeiting of government documents. | 
| 23 January 1790 | GW in N.Y. GW wrote in his diary that he went with Mrs. Washington to see the works of John Trumbull, the notable American painter who painted several portraits of GW. | 
| 22 January 1790 | GW in N.Y. GW wrote in his diary that he exercised with a morning horse ride. GW was impressed by a demonstration of a new wheat threshing machine invented by Friedrich, Baron von Poellnitz. Mrs. |