PHILIPPE PSAILA / SCIENCE PHOTO LIBRARY PHILIPPE PSAILA / SCIENCE PHOTO LIBRARY
Quality control. Testing the barrel of a beretta 92F 9mm semi-automatic pistol. This machine is called a metalloscope. A liquid is sprayed onto the gun barrel. A fluorescent light is then shone on it, this shows any defects in the metal of the barrel.
Model release not required. Property release not required.