Unravelling the construction of silver filigree spheres from a seventeenth century shipwreck using non-invasive imaging

HIGHLIGHTS

• who: Janneke van der Stok-Nienhuis from the , radiography was used to assess the mechanical integrity of the sphere and to gain insight in its construction by providing two-dimensional imagesThe instrument used is a General Electric Eresco , MF, mm thick copper filter and BIX- and FP-detectors. The pixel size provided is , u00b5m. To enable non-invasive inspection, computed tomography using both, rays and neutrons, was performed, which resulted in , computed models of the sphere., ray micro-computed tomography (u00b5CT) was done with a GE Phoenix Nano Focus, ray System, and neutron computed tomography (NT) at . . .
  

   

  

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