DAVY, Humphrey (1778-1829). Elements of Agricultural Chemistry in a course of lectures for the Board of Agriculture, London: Longman, 1814, 8°, second edition, 10 engraved plates, 8 double-page and 2 folding (1 plate cropped, plates, title and final quire slightly spotted), contemporary half calf (with gilt ownership stamp, lightly rubbed). Provenance: JCL -- Richard KIRWAN (?1733-1812). The Manures most advantageously applicable to the various kinds of soils and the causes of their beneficial effect, Philadelphia: Kimber, Conrad, 1807, small 8° (lightly browned), contemporary mottled sheep (joints split, front cover detached) -- Henri Louis DUHAMEL DU MONCEAU (1700-1782). The Elements of Agriculture, London: for P. Vaillant, T. Durham and R. Baldwin, 1764, 2 volumes, 8°, 10 folding engraved plates (perforation stamp on titles, plate VII of vol. II slightly offset, a few plates with light dampstains to margins), contemporary calf gilt (rebacked with library cloth. Provenance: JCL; and one other work on agriculture. (5)