Pleasure With Profit: Consisting of Recreations of Devers Kinds, viz. Numerical, Geometrical, Mechanical, Statical, Astronomical, Horometrical, Cryptographical, Magnetical, Automatical, Chymical, and Historical. Published to Recreate Ingenious Spirits; and to induce them to make further scrutiny into these (and the like) Sublime Sciences... also annext, a Treatise on Algebra, According to the Latest Improvements, applied to Numerical Questions and Geometry... by R. Sault. Richard Baldwin and John Dunton, 1694. 1st Edition. Folio. pp. title, vi, [4], 56, 86, 31, 24, 63, 28, 13, 10, 9, [1], 11, [1], 26, title [New Treatise of Algebra], [2]52; figures in the text, 2 folding plates. Contemporary full calf, new spine and corners, inner joints repaired, front end paper torn and a little chipped.