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Perfpeftive is principally neceflary in regular 

 buildings, where many ftraight lines run through 

 the various parts of them, of which all that 

 are parallel mull meet in one point. In other 

 fubjedts a thorough knowledge of perfpe6live is 

 not fo abfolutely neceffary -, yet a due regard for 

 it is always to be had ; as in landfcapes, to di- 

 minifh every thing according to its fuppofed 

 diftance from the eye for, by making the dif- 

 tant figures the leaft, and drawing them in finer 

 or fainter lines than you do thofe that come 

 forwards in your pi6ture, they naturally feem to 

 be more diilant ; and when you come to finilli 

 fuch pi6lure, your extreme diilant objeds fliould 

 appear fo faint, or fo fecure, as not to be difco- 

 vered to be of any precife form or colour -, for 

 fo it is in natural objeds far diftant from our 

 fight. As objeds draw nearer they may be 

 made a little more exprefTive ; and fo on, more 

 and more, till you come to the nearefl objedts 

 of all in the fore-ground of the pidure, which 

 Ihould be finilhed with great ftrength, and 

 brighter colouring : for it muft always be con- 

 fidered, that fuch objeds as have really in them- 

 felves a very bright colouring, if they are re-^ 



moved 



