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Practically Lives Here
How Do You Identify?:
Butch
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Join Date: Nov 2009
Location: 30 minute ferry ride from Seattle
Posts: 38,565
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The Acid Test
This came from the California Gold Rush in the 19th century, when prospectors and dealers used acid to distinguish gold from base metal - if the metal dissolved in a mixture of hydrochloric acid and nitric acid, it was real.
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