Copper sheets and strips go through a carefully ... The pre-patination process encourages the natural patina to continue forming through environmental exposure, dependent on the local atmosphere ...

After the bronze is poured inside, they can break that outside mold, and send it off to the welders, and finally the “patinas” (for color application). Anyone is welcome to take a tour at the ...

Colchester and Ipswich Museum Service Despite thousands of years in the ground, many of the axe heads still had a shiny patina It dates to the late Bronze Age, between 1000BC and 800BC ...