Professor Sewall's lectures on the Hebrew and Oriental languages, Vol. 4th, 1771-1797

The first lecture in this volume, Lecture LVI, was delivered on March 4, 1771; November 28, 1774; and June 14, 1779. The last lecture in the volume, Lecture LXXII was delivered in December 19, 1774; August 17, 1778; and September 16, 1782. The volume also contains a table of the variation of the magnetic needle observed at Cambridge from November 1796 to August 1797.