PRIESTLEY, J. Experiments and observations on different species of air. Translated from the English by M. Gibelin. Paris: Nyon, 1777-1780.5 volumes in-12. 10 engraved folding plates. Uniform period binding in marbled calf, smooth spine decorated. Minor worm work to one of the spines, but a nice fresh copy. A complete set of this important work, in which Priestley relates his experiments on the isolation of various gases.