Sundry / Archived Articles
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We no longer sell Geiger Counters, but here is an interesting article.
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This article reviews several electronic gold testers (gold testing machines), including how they compare with using chemical (acid) testers.
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Geiger counter
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Which button batteries fit torches, pocket scales etc?
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Desk / portable Aumed video reader for the partially sighted
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Large USB microscope
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Diamond Selector II by Culti, and copies made in China - how to tell the difference.
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These are our own instructions for programming the gold price into the scale. The manufacturer's instructions give useful information such as how to open the battery compartment (you open the battery compartment) and how to turn it on (you press ON) - these included with balance.