Note 308 — THE CONCLUSION: COMPREHENDING A RETROSPECT OF THE LIFE OF DAVID RITTENHOUSE,
Reading edition
About twenty-six years and an half.—Dr. Franklin was President from the institution of the society, in Jan. 1769, until his death, on the 17th of April, 1790; and Dr. Rittenhouse, who succeeded him in Jan. 1791, continued in the office until he died, the 26th of June, 1796. W. B.