If the Oil of Vitriol wherewithal this Sal Mirabilis is prepared, be not by reason of the superfluous humidity strong enough, any one may easily conjecture that a good Sal Mirabilis cannot be made thereof, because the Kitchin Salt would receive therefrom but little alteration. To prevent this inconvenience therefore, you are to take equal weights of Salt and Oil, that so one may be assured that the common Salt is well inverted, and made a good Sal Mirabilis.
LXXXII. By what means trial may be made, if the Sal Mirabilis be duely prepared, and how it may be fitted for this and other Uses.
Its Colour ought to be white and transparent; its figure is in long Stria’s or Chrystals; its tast is like Ice melting upon the Tongue and yields some bitterishness. Being dryed in the Fire and all the moisture gone off, it will loose three parts of its own Body, and retain a fourth Part onely; being dissolved in Water it will recover those three Parts again.
But on the contrary, if it shoot into a square Figure, and hath as yet a saltish tast, and being dryed loseth but little of its weight; it is not worth a rush. and shews that either the Oil of Vitriol it self was not good, or that there was not enough used to the Operation. These things we would not bury in silence, that so we might well advise young beginners, and withdraw them from their Errours.
LXXXIII. It may be queried, whether the Sal Mirabilis serves for the use of Artificers and Craftsmen.
For answer, yes. For this Sal Mirabilis is not onely able to perform things of great moment, and those too, such as are not common; both in Alchimy and in Medicine; (a rehearsal of which, we shall for brevities sake omit) but withall it may be used in other Arts and Handycrafts with great admiration and profit; and this we cannot neither at this time demonstrate because of the but now mentioned brevities sake. We will onely shew here, that even the poorest Husbandman, might (if they knew its preparation use it to notable advantage and profit.
LXXXIV. How every Countreyman may encrease any kind of Corn or Seed with a thousand fold encrease, by the Sal Mirabilis if he can get it.
We have aforetold you, that the Sal Mirabilis being so, as it is per se, is plainly unapt for the multiplication of the Vegetables, unless that corrosive Faculty be taken therefrom by lime or other Alkali Salts, [the which must be done] if you would expect therefrom any good concerning this multiplication. Here now will I disclose a business of no small moment; yet not to this end as if I would perswade the Countreymen, to get for the future, or afford to their Corn so plentifull a faculty of encreasing. No, no, I well know that they know not how to make the Sal Mirabilis, and if they did, yet would they not depart a Nails breadth from their Ancient Custom. For ’tis a common Proverb, Old Dogs are very difficultly tamed; and this, the common Course of mens Lives doth clearly teach; wherein you’l find, that a man hardly unlearns that in his old Age which he learned in his Youth; so that an Old man doth very difficultly suffer himself to be withdrawn from those things whereto he hath been accustomed when young. Neither is it my purpose so to do, for as much as I insert the things here mentioned by me, for this end onely, viz. that the possibility and wonderous Properties of the Sal Mirabilis may be brought out of Darkness unto Light, and may be made evident to the whole World.
I would likewise be thus understood as touching other Workmen, for whom these things are not delivered or treated of, that they should desist from their old Custom, and obey my admonitions and instructions; but for this end it is onely that I publish these things, viz. that they every one may know that my Sal Mirabilis can be an helper to men of all ranks, and also may bring even to the Craftsmen themselves and to the poorest Husbandmen, great fruit and benefit.
Now when you hear it mentioned that some Grain of Corn is augmentable beyond the usual Custom, by an unheard of multiplication, it must of necessity be, that it emit more than one, two, or three Stalks, for as much as so few Stalks, cannot yield so great an Encrease. But now if one Grain is to put forth so many Stalks, it is wholly necessary that it be done by some certain singular and strong efficacy of expulsion; and that too, even presently and at the beginning when the grain is at first sown in the earth. For whatsoever is not here done even at the beginning, will never be done afterwards.