112 TRAVELS THROUGH 



with any factitious colour; to change the blue colour 

 of lapis Lazuli into white, and fome other fuch 

 artificial manipulations, as defcribed in a pamphlet 

 on- his inventions; and as noticed by Mr. La 

 Lande in his travels to Italy. They relate, that 

 he imitated the oriental granite ; and accordingly 

 was of opinion, that the Egyptian obelifks, and 

 other fuch large granite-monuments, have been 

 artificial compofitions ; but, if he had feen our 

 red-granite rocks in Sweden, or read Pococke's 

 Defcription of the Eaft, he certainly would not 

 have doubted of the exiftence of fo large natural 

 granite-mattes. 



LET- 



