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And for thy first ground principal, Ʋnderstand thy Waters Menstrual.
NOw I return to that which went be∣fore concerning this Medicine, which I passed over in that place, that I might here bring it in together; and indeed he who will know this Mystery, he must in the first place learn to know his Men∣strual Waters, for without this know∣ledge he can never come to this Mastery; for with the third Menstruum, (count∣ing three according to Ripley) or the second Water, (making the first and se∣cond into one, with Arteph••us) is this fragrant Balsam made: And verily the whole is but Cohobation, the first Water being cohobated so long upon the Bo∣dies, till it receive from them a quality of natural heat; yet so as that the qua∣lity of its own Fire, which is corruptive, and so against Nature, be mingled in way of action and passion with the natural Fire. This makes a Fire innatural, and is the second Water, in which colours rise and set frequently, and then by cohoba∣ting