11:7 · A variation of the above graph for Pisces was also used in alchemy. It could for instance denote mix, in which case is a synonym.
    It was also used for aurum potabile, drinkable gold, which was a rejuvenating medicine, an elixir of life
    According to Diderot's Encyclopedia this sign was in French chemistry of the eighteenth century a sign for tartaric acid.
    The many synonymous signs can be looked up with the help of the Word Index.