Arsenic, lin, lead and zinc are the principal elements used in copper-alloys of Middle East objects from the IVth and IIIrd millennia. On the basis of analytical results from the Laboratoire de Recherches des Musées de France and from the works of the R.C.P. 442 of the C.N.R.S., the evolution of the alloying technique has been demonstrated to occur discontinuously and …
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