21Thomas Jefferson to Louis H. Girardin, 18 March 1814 (Jefferson Papers)
According to your request of the other day, I send you my formula and explanation of L d Napier’s theorem for the solution of right angled Spherical triangles. with you I think it strange that the French mathematicians have not used, or noticed, this method more than they have done. Montucla , in his account of Lord Napier’s inventions, expresses a like surprise at this fact, and does justice...
22Thomas Jefferson to Louis H. Girardin, 9 January 1814 (Jefferson Papers)
Th: Jefferson presents his compliments to M. Girardin and his regrets that his garden is so bare of kitchen herbs as to have but a single plant of sage, & that stripped of it’s leaves: he has no translation of Quinctilian. Bonne’s Atlas is sent by the bearer. P.S. T. Jefferson Randolph is in Richmond , but expected home daily. RC ( PPAmP : Thomas Jefferson Papers); dateline above postscript;...
23Thomas Jefferson to Louis H. Girardin, 31 March 1813 (Jefferson Papers)
Th: Jefferson presents his compliments to mr Gerardin Girardin & is sorry he cannot furnish him the Early York cabbage seed. he has ceased to cultivate it because the seed cannot be raised in this country. he sends him some green curled Savoy cabbage, the only kind he has. he sends him also some Malta Kale which he recieved from that island and finds preferable to t either the Scotch or...
24Thomas Jefferson to Louis H. Girardin, 31 October 1809 (Jefferson Papers)
The bearer hereof, T. Jefferson Randolph , my grandson, proceeds to Richmond with a view to enter as a student in the academy at that place under your care. having been taught Latin & French (the former however not as perfectly as should be) he passed a year at Philadelphia , attending courses of lectures in Botany, Natural history, Anatomy & Surgery. our object in sending him to your academy...