K2S 



ILLUSTRATIONS, &c. 



fway over the mind of an obferver. Befides, one 

 man may have as much delight in pulling down, 

 as another has in building up, and may choofe 

 to difplay his dexterity in the one occupation as 



I 



well as in the oth 



The vi/ant of theory, th 



and 



docs not fecure the candour of an obferver, 



J 



it may very much diminilh his ikill. The difci 

 pline that feems beft calculated to promote both 



• • 



is a thorough knowledg 



n 



dudive invefligation ; a 



hiftory of phydcal difcovery 



ftudy of thofe fciences in which the rules of phi 



f the methods of 

 quaintance with the 



d the careful 



^ 



Icfopl 



S 



e 



been moil fuccefsfully applied 



u 



FINIS 



I 





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i 



