( 73^ ) 
Brafi Shruff ferves inftead of Co much Copper ; but 
this cannot always be procured in quantities^ becaufe it 
is a Collection of pieces of Old Brafs, which is usually 
to be got but in (mall Parcels. 
The bed Guns are not made of malleable Metal y and 
cannot be made of pure Copper or Brafi; but it is ne- 
ceflary to put in courfer Metals to make it run clofer 
and founder, as Lead and Pot-metal. Bell-metal being 
Copper and Tin, Pot-metal Copper and Lead. About ioi. 
of Lead is ufually put into 100/. of Pot-metal; but 
about 6 L is fufficient to put into 100 /. of Gun-metal. 
The Calamine Stones were heretofore fetch'd from 
Voland, but fince fetcht from hence by the Dutch. 
The Manufacture of Brafs was privately kept in Ger- 
many for many hundred years, wherein thoufands were 
employed and well maintained, fome having thereby 
raifed themfelves to great Eftates. 
The Dutch may not import (an ACt of Parliament 
exprefly forbidding them) the Copper nor the Calamine 
Stone; but contrary to the Ends, and perhaps the mean- 
ing of the (aid A6t, and more to the Publick Difad van- 
tage, they mingle and manufacture thofe two Ingredi- 
ents (which are of Foreign Growth to them) and by 
that Evafion import them hither : And the^ great Manu- 
factures of Wire, and feveral other Commodities arifing 
of thofe important Materials. 
II, Two 
