diorite which are very hard stones that can't be shaped efficiently even by hardened iron tools. for most of the history of egypt, the tools used to shape stone consisted of hardened bronze, which is much softer than iron. in this article, we will see examples of ancient hard stone workmanship which simply...
lf słowa kluczowe współautorzy doi brak zdefiniowanych słów kluczowych zobacz pełny wykaz publikacji autora/autorów: jadwiga szczepańska-plewa , jacek rutkowski , dorota prosowicz cyfrowy identyfikator dokumentu: changes of selected micro-pollution concentrations in the long carbonate sediment cores...
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