CURIE, Marie. Traité de Radioactivité, Paris, Gauthier-Villars, 1910, 2 vols., 8°, FIRST EDITION, heliogravure portrait of Pierre Curie, 7 plates, half titles (plates and titles with library perforation, accession no. on verso of titles, half titles browned), contemporary boards rebacked in red morocco (shelf-marks at base of spines).