“I am, dear Sir,
Your friend and very humble serv’t.
Samuel S. Smith.”
[239a]. The Rev. Ashbel Green, D. D. of Philadelphia, has since been appointed to the Presidentship of the College at Princeton, on the resignation of Dr. Smith.
[239b]. The President of the College.
[239c]. Mr. Henry Voight.
[240]. It was in the autumn of this year that the second (and youngest surviving) daughter of Dr. Rittenhouse was married to the late Nicholas Baker Waters, M. D. of Philadelphia.
[241]. A very eloquent and interesting Oration on this occasion, being an eulogium on Dr. Franklin, was delivered on the 1st of March, 1791, before the American Philosophical Society and agreeably to their appointment, by the Rev. William Smith, D. D. then one of the vice-presidents of the society; for which the orator received their unanimous thanks.
In a note addressed to the public by Dr. Smith, and prefixed to this eulogium in the first volume of his works, the Doctor acknowledges the assistance derived by him, in its composition, “from the friendly communications of some of his learned colleagues, among the officers of the American Philosophical Society:” viz. David Rittenhouse, Esq. LL.D. President of the Society; Thomas Jefferson, Esq. LL.D. one of the Vice-Presidents; Jonathan Williams, Esq. one of the Secretaries; and Benjamin Rush, M. D. one of the Council. To Dr. Rittenhouse, he makes his acknowledgements, “for sundry papers, which have been digested into the account of Dr. Franklin’s Electrical and Philosophical Discoveries;” which occupy six or seven pages of the printed eulogium.
Dr. Rittenhouse was well acquainted with the principles of Electricity; at least, so far as they appear to be hitherto understood. It is believed that, pretty early in life, he acquired a knowledge of this branch of science; which he occasionally cultivated afterwards. A letter written by Dr. Franklin to Mr. Landriani, on the utility of electric conductors, will serve to shew, that “our astronomer” (as Franklin styled him) had employed the instrumentality of his “telescope,” in observing some of the effects of lightning. This letter, which is dated “Philadelphia, Oct. 14, 1787”[1787”], is in these words: