COTES, Roger (1682-1716). Hydrostatical and pneumatical Lectures... Published with Notes by his Successor Robert Smith, London: printed for the editor, 1738, 8° (198 x 122mm.), FIRST EDITION, 5 folding engraved plates (stain to title, lower margin wormed throughout affecting one or two letters but sense recoverable, occasional light browning, annotations in ink to preliminaries), contemporary panelled calf (head of spine chipped, extremities lightly rubbed). [Sotheran I, 877] With Cotes' De descensu gravium (Cambridge, 1770, 4°, in modern boards). (2)