Found (in an ancient text of my library)
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We are investigating about the best alchemycal use of the standard, common cream of tartar?
It depends on the use of your cream of tartar:
I think that for mineral opus we can use the cream of tartar as it is, but for the production of "oil of tartar" (for instance: in primum ens) we should reanimate the substance restituting again, at least, some of the quality and the COOLNESS that was its own... with spirit of wine and vinegar. Why?
Beacause of the very common chemical method of production of the cream of tartar in wich they use a little unslaked lime to quikly precipitate it and clean it at the same time.
It's true that unslaked lime too works as a menstruum matter but, if we distill straight the cream of tartar in balneum ingis we don't know how much it will stink
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And may be it's not a good thing to ingest it.
Being on men the effect of the remedies with tartar of a refreshing or cooling quality and being at the opposite the effect of the lime (that's highly baked stones) from the past centuries they warn about it.
For this reasons it seems to me that coul be the best thing to give vinager, a very cold substance, to cream of t. and after one or two days washing it with distilled water and let it to decante after some hours. After that we should find the crystals on the bottom of the vessel and on the surface of the liquid.
Reanimated and cleaned up crystals.
Anyway, the name "cream of tartar" came from the fact that the best-looking crystals are those on the surface - like a cream on the surface of the milk - but those on the botton are of the same quality.
From this source we can produce the oil of tartar: I'll try
- calcining the empowered and cleaned up cream of tartar
- and not.
...Expecting that the glasses will be affected in some way.
Zosimo