INGENHOUSZ (J.) : Experiments on Plants, especially on the property they possess in a high degree, either to improve the air when they are in the sun, or to corrupt it at night, or when they are in the shade; To which a new method of judging the degree of salubrity of the atmosphere has been added. Barrois, 1787. In-8 contemporary seeded calf, spine ornamented, title page, red edges. Work translated from English. New edition revised, enlarged and decorated with a folded engraved plate. Nice copy. A second volume was published two years later.