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Knör, Ludwig Wilhelm von, -1754 · 1716

Quite brightly and clearly shows the unanimous, distinct, and infallible opinion of the old as well as the new true Sophorum wise men/philosophers regarding the first and other philosophical matter, the preliminary and subsequent work of the Great Work, and the properties of common and philosophical metallic salts and minerals.
Composed from the most proven writings of the philosophers.
Attached is a very simple, certain, and accurate method indicating how the preliminary work must be accomplished, which has not been done by anyone heretofore, through which most otherwise occurring