Reg.lat.1200

for if the matter remains raw, and an
incomplete digestion should follow,
they do not nourish the fetus, but
rather kill it. For even the
fetus is not nourished and does not grow
from the menstrual seed The author draws on medieval medical theory which posited that while "seed" initiated the process, the fetus required proper heat and nourishment—often associated with blood—to develop; in alchemy, this corresponds to the "digestion" of the base matter in the furnace.
until the moment it is brought forth into the light.
And for this reason King Hali | Most likely Haly Abenragel, an 11th-century Arab astrologer and alchemist whose works were fundamental to Western alchemy,
speaking of birth, says: "A portion is truly
formed within the womb, and therefore
it should be set to the measure of one pound
and no more," so that in the Stone
there are no winds original: "venti"; these are volatile gases or "spirits" produced by heat. If the vessel is overfilled or the "digestion" is improper, these gases could create too much pressure and break the glass vessel.
contained between the single vessel and the matrix
of the Stone, which is called...