1From Thomas Jefferson to Robert Patterson, 27 March 179[8] (Jefferson Papers)
In the lifetime of mr Rittenhouse I communicated to him the description of the mouldboard of a...
2To Thomas Jefferson from Robert Patterson, 29 March 1798 (Jefferson Papers)
The drawings, model, and description of your mold-board of least resistance , which you have been...
3From Thomas Jefferson to Robert Patterson, 30 March 1798 (Jefferson Papers)
I am much obliged by your letter of yesterday. tho’ I possess Emerson’s fluxions at home, & it...
4From Thomas Jefferson to Robert Patterson, 31 March 1798 (Jefferson Papers)
I return you Emerson with thanks. it has suggested a qualification of the expression in my letter...
5To Thomas Jefferson from Robert Patterson, 25 March 1800 (Jefferson Papers)
I take the liberty of introducing the bearer Mr. Smith an acquaintance of mine from Bucks county....
6From Thomas Jefferson to Robert Patterson, 10 December 1800 (Jefferson Papers)
The annual period for electing a President of the American Philosophical society being now...
7To Thomas Jefferson from Robert Patterson, 2 January 1801 (Jefferson Papers)
I duly received your favour of the 10th. of last month, and communicated your desire to the...