analyse (3) Museum techniques (3) Analysis (3) expérience scientifique (2) énergie (2) Power resources (2) Power (Mechanics) (2) Force and energy (2) histoire de l'art (2) élément trace (1) physique (1) plomb (1) ion (1) patrimoine culturel (1) Cultural property (1) Trace elements (1) Silver coins (1) Physics (1) Lead (1)