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#11
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Barry, IIRC Ammonium dichromate can also be used in the Bromoil process as an alternative to Potassium dichromate, which is also now illegal to post. A quantity adjustment will be required though. Neil.
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"The aim of art is to represent not the outward appearance of things, but their inward significance." Aristotle Neil Souch |
#12
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Colophony resin is used to give grip to bows' strings in instruments, such as violin or cello. AFAIK it is harmless. You can give it away to a musical school.
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#13
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That's interesting. My wife plays the violin and her rosin comes in a solid block. This is a powder so I guess it's the same stuff powdered. It smells the same! What's intriguing is why it was in a box of photo chemicals. The guy who passed them on to me was into alternative processes a lot.
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#14
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I'd probably take them off you but for distance.
Ian |
#15
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