NON-DESTRUCTIVE A "U.S." type USM2 device A magnetic and endoscopic device Materials for the development of films and their interpretation DESTRUCTIVE A polishing bench Broaching equipment for resilience A traction and bending machine 40 T with recorder A “mouton de Charpy” A Vickers-Brinell hardness tester A microscope: Magnification = 800 A macro-photography bench