Re: Gauge faces 1956

Posted by Guscha On 2013/10/28 23:24:59
Quote:
... some type of gold. They will turn green after several years ...the gold coloring is on the back of the plastic face...


To think aloud: It looks golden and turns green after years? Gold bronze? Bronze consists of a considerable proportion of copper which gets patina with age. Conservators use laser technology to clean the surface of bronze statuary. Light goes through transparent plastic. Randy, set the phaser to stun.

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