[ i67 ] 



ing you copy; and, with blunter pointed needles, 

 give more ftrength to your ftrokes, as the dark- 

 nefs of the fliadows increafes ; and by a little 

 pradice, obfervation and care, a piece may be 

 finifhed this way, without the help of engraving 

 after the conimon method. 



1 have found by experience, that fome labour 

 may be faved in etching, by a fort of artifice, 

 which has an effedt beyond any thing that can 

 be perforrned with the ntedle ; that is, in cafe 

 you have a dark objedt, on which you would 

 reprefent many fmall white, or light fpots, firft 

 etch fuch objedt with clofe crofs hatches, fo 

 jthick that it would print almoft black ; then 

 take a fine hair pencil, dipped in common tur- 

 pentine varnifti and a little lamp-black, and 

 touch with the pencil what fliaped or fized 

 fpots you would exprefs on the abovefaid dark 

 ftrong hatching, and it will dry on, and prevent 

 the A(iua fortis from taking efFe6t, or eating in 

 thofe places ; and fo they will print white. The 

 fame fort of varnilh, with a little lamp-black, 

 is a good ftopper, in places where the varnifh is 

 accidentally rubbed off, or where any fmall error 



or 



