CURIE, Pierre, Marie CURIE & Gustave BEMONT. "Sur une nouvelle substance fortement radio-active, contenue dans la pechblende," in Comptes Rendus hebdomadaires des Séances de l'Académie des Sciences (pp. 1215-1217), Paris: Gauthier-Villars, 1898, 4°, FIRST PRINTING (half title detached, cleanly but badly torn and with crude repair in two places, title perforated and stamped on verso, title and preliminaries torn and very brittle at outer margin, relevant text pages torn at upper margin, generally browned), old boards (crudely rebacked) [Norman 545: "the discovery of radium"] -- Marie CURIE. Recherches sur les Substances Radioactives, Paris: Gauthier-Villars, 1904, 8°, second edition (pp. 122-23 heavily soiled), contemporary half morocco (very worn), wrappers bound in (but front wrapper subsequently detached); and another work by Marie Curie; the lot sold not subject to return. (3)