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finnchaga: "Objectivity" - Poor Man's Lab stuff
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finnchaga: Wolfram Snake All Coiled Up
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finnchaga: Easy now, breath steadily...
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finnchaga: 3 Euro Circular Polariser Pair
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finnchaga: Immersion brings out secrets of a Topaz
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finnchaga: "Finding Sufficient time..."
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finnchaga: Kotka Topaz with OH replacement of F??
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finnchaga: Inner Life of Nappikallio Almandine
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finnchaga: The Small Difference
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finnchaga: Quick test of non-POL and POL objective versions
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finnchaga: My first proper thin section sample
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finnchaga: Adaptation of a stereomicroscope