HAYES (CHARLES): A Treatise of Fluxions, London, by Edw. Midwinter for Dan Midwinter, 1704, folio, first edition (title and first 3 leaves detached, T1 with paper fault), contemporary calf (covers detached) -- WALLIS (JOHN): A Treatise of Algebra, London, by John Playford, for Richard Davis, 1685, folio, first edition, engraved portrait by D. Loggan, 10 folding plates (frontispiece, title and preliminaries tattered at outer margins, generally affected by damp) [Wing W613; Honeyman 3086]; A Treatise of Angular Sections, London, by John Playford for Richard Davis, 1684, 3 parts in one, folio, first edition, (outer margins affected by damp) [Wing W614]; Cono-Cuneus; or The Shipwright's Circular Wedge, London, by John Playford for Richard Davis, 1684, folio, first edition (outer margins affected by damp) [Wing W565] -- CASWELL (JOHN): A Brief (but Full) Account of the Doctrine of Trigonometry, both plain and spherical, London, by John Playford for Richard Davis, 1685, folio, first edition (outer margins affected by damp) [Wing C1252], together 4 works in one vol., contemporary calf (upper cover detached); and 3 others; the lot sold not subject to return. (5)