外观电镀： 镀金， 镀银， 镀古银， 镀古青铜， 镀铜等。
以产于南美的银铸造的西班牙古银币跨越了太平洋，被往返于亚洲沿岸的人所使用。
Pieces of eight, minted out of South American silver, crossed the Pacific and were used up and down the coast of Asia.
提出一种在黄铜件表面获得黑色古银外观的新方法，介绍了其工艺流程和各工序配方。
A new process of obtaining black antique-silver appearance on brass substrates was presented.
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