SOUCIET, ÉTIENNE, S.J., editor. Observations Mathématiques, Astronomiques, Géographiques, Chronologiques et Physiques, tirées des Anciens Livres Chinois. Volume 1 (of 3). 8 engraved plates, all but the last folding. [8], xxv, [7], 294, [2] pages, including errata leaf at end. 4to, 253x192 mm, contemporary 1/4 calf, spine darkened, ends chipped, lettering piece off, front cover detached; occasional toning, scattered minor spotting, folding plates lightly offset. 19th-century bookplate of Harvard College Observatory (released). Paris, Rollin, 1729