I know how hard it will be viewing a Foucault image after cataract surgery as my left eye needed that after damaging its lens 3 years ago. My right eye is still good though.
I get my pitch from a friend at the NZ refining company. I'm not sure if you could see if you can buy some from a similar company in Australia, If you could just ask for uncut pitch with nothing added to it. Straight out of the tap it is about the same as Gugolz Pitch #55 and it is exactly the same as Gugolz and don't let anyone tell you otherwise. They only use it for burning to make steam for making vacuum for other uses. I have had thoughts of seeing if I can buy heaps and package it up for selling at realistic prices unlike Gugolz.
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