GIBBON, Edward. Fine autograph letter to Lady Elizabeth Foster, 11/2 pages tipped on to a sheet of paper, dated 'Sunday night' Creation dates: [August 1792?]
NEWTON, Sir Isaac (1642-1727). Autograph directions for alchemical procedures, headed Roth Mallors (?circa 1690). 11/4 pages folio, in ink. Together with two other pages of notes, not in Newton's hand, but from among Newton's Papers on Aqua Fortis (1 folio) and Experimentum Bolling (1 page, smal...