And as for the few
_Phaenomena_ mentioned in the same Chymical writers, as well as in the
following Treatise, our Author hath given an account, why he did not
decline rejecting them, in the Anotations upon the 47th Experiment of the
third part. Not here to mention, what he elsewhere saith, to shew what use
may be Justifiably made of Experiments not of his own devising by a writer
of Natural History, if, what he employes of others mens, be well examined
or verified by himself.
[2] He that desires more instances of this kind and matter, that
according to this doctrine may much help the Theory of colours, and
particularly the force both of Sulphureous and volatile, is likewise of
Alcalizate and Acid Salts, and in what particulars, Colours likely depend
not in the causation from any Salt at all, may beg his information from
M. Boyle who hath some while since honoured me with the sight of his
papers concerning this subject, containing many excellent experiments,
made by him for the Elucidation of this doctrine, &c Dr. R. Sharrock in
his ingenious and usefull History of the Propagation and Improvement of
Vegetables, published in the yeare 1660.
In the mean time, this Treatise is such, that there needs no other
invitation to peruse it, but that tis composed by one of the Deepest & Most
indefatigable searchers of Nature, which, I think the World, as far as I
know it, affords.
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