[ 15$ ] 



will procure a fine free working colour, which 

 you may make as light as you pleafe by the ad- 

 dition of water. If a colour doth not fpread 

 itfelf freely, by reafon of any greafmefs on your 

 paper, if you touch your pencil ever fo little in 

 ox-gall, it will make your colours run free. 

 Always obferve in thefe firll and lighted colours 

 to ufe a large pencil, in order to nil up the fpace 

 you have to cover with all convenient expedi- 

 tion ; for if you are flow, and let your colour 

 dry in parts, and touch again over their edges, 

 your colours will be blotchy and ftreaky. 



Paper proper for drawing on in this way, 

 ought to be neither over nor under-gummed : 

 that which is too much gummed, or fized \n the 

 making, is fo hard and clofe it will not take in 

 the colours at all ; ^nd what is laid on at firft, 

 one is apt to wafh off again in the fécond flia- 

 dowing, and fo on, which is very inconvenient. 

 An under-gummed paper hath a contrary incon- 

 veniency ; for the colours are apt to run through 

 it, and fpread beyond your defign on the out- 

 line. A proper paper may be chofen by touch- 

 ing it with your tongue : an ungummed pape^ 



win 



