BEDOS DE CELLES, FRANÇOIS. La Gnomonique Practique, ou l'Art de Tracer les Cadrans Solaires. Paris: Chez Delalain, 1774. Engraved frontispiece, 38 folding plates, and folding map. 8vo, contemporary calf, spine gilt; A6 torn, a few folding plate margins frayed. Second edition.