Notes on geometry, mathematics, etc.; and a list, with a brief note of their subjects, of letters written to the author's father between 1665 and 1672 (ff. 14 verso-18) and to himself between 1680 and 1709 (ff. 18 verso-60).
There is reason to believe that the writer was Robert Morgan, D.D., head master of Ruthin Grammar School from 1695 to 1705. He was the son of Robert Morgan, D.D., bishop of Bangor from 1667 to 1673. Robert Morgan the younger was afterwards rector of Ross and a canon of Hereford, and his sister Margaret was the mother of Chancellor Wynne.