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The Rothschild bronzes were thoroughly examined by two independent conservation scientists from Amsterdam: Dr Robert van Langh (Head of Conservation and Research, Rijksmuseum, Amsterdam) and Arie Pappot (Researcher, University of Amsterdam). They gathered their scientific evidence by historical technological examination (using neutron imaging, endoscopy and elaborate microscopy) and elemental analyses (via x-ray fluorescence). They concluded that the bronzes were cast from clay models using the indirect lost wax casting technique, and due to their very thick walls and the type of casting flaws they display, they were most likely made in the early sixteenth century.

Dr Robert van Langh, Head of Conservation and Research, Rijksmuseum, Amsterdam examining the Rothschild bronzes under a powerful microscope at the Fitzwilliam Museum
Arie Pappot, undertaking XRF-analysis of the Rothschild bronzes at the Fitzwilliam to establish the exact recipe of the alloy used in the casting

Neutron Imaging - Man and Boy


Neutron images of the older Rothschild male nude
Neutron images of the younger Rothschild male nude