An alloy of copper and tin with a similar color to Nordic Standard copper finish. When exposed to the atmosphere, the surface will change gradually to a stable, dark chocolate brown or even black ...

This story appears in the March/April 2017 issue of National Geographic History magazine. “To the King of Egypt, my brother. Thus says the King of Alashiya, your brother: ... Send your messenger ...

North Wales was Britain's main source of copper for about 200 years during the Bronze Age, new research has found. Scientists analysed metal from the Great Orme, Conwy, and found it was made into ...

locks and doorknobs Bronze (alloy of copper, aluminium and/or nickel) Non-ferrous alloy, harder than brass and corrosion resistant, reddish/yellow in colour Castings, bearings Stainless steel ...