t 76 )

am, that nothing can contribute more taaggrandize this State and Kingdom, thana due Encouragement of such an Under-taking, and a strict Promotion of it, as faras the Extent of the Thing will admit.

In order to facilitate and accomplish thePerfection of this Science, and to range itsLaws in such a just Order, so as to renderthe Whole into a compleat Body of Miningand Smelting, I look upon the followingMethod most proper to be pursued.

In the fir JIT lace, both Mining and Smelt-ing should be treated in an historical Man-ser ; a just Account of them should bebrought down from the earliest Ages tothis present Time ; in which particularNotice should be taken, what Improve-ments have been made, and \yhat Declen-sions and Decays it has suffered, and inwhat Ages, and' in what Nations, they havehappened.

rdly, A true Theory must be efiablijhed ;the Symfloms, which by Experience havebeen confirmed to be indicting, whethergood or bad, must be laid down in theirproper Order; the Rationale of them mustbe given; those that are equivocal or doubt-ful, must be ranged under one Class, andthose that are univocal or Tathognomonickunder another ; here it must be shewn,how they are dependant upon each other, orhow ©ne is the necessary consequent of the

other;