Copper and brass inlaid with Zn in the sherardizing process Copper and brass inlaid with Zn in the sherardizing process
Copper inlaid with zinc to produce a brass coloured alloy Copper inlaid with zinc to produce a brass coloured alloy
"Bean-Shot" copper. (Sp.G. 8.88). Mid 19th century "Bean-Shot" copper. (Sp.G. 8.88). Mid 19th century 1830-1860