derryb ✭✭✭✭✭

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got a big warehouse? (View Post)

The flaws that others are pointing out concerning BRICs are about the the politics of BRICs. Their politics or their human rights records are of no concern to me when talking about their economic uni… (View Post)

must be operator or observer error. Mine works just fine identifying plated Chinese garbage. I occasionally buy obviously plated items on ebay just to keep testing the Sigma. Ebay always gives me a r… (View Post)

I have this one, It's all an individual (or a shop) needs. Works great with slabs also. It verifies metal content once you tell it which metal and purity you are testing. It does not determine a meta… (View Post)