XU PEEFACE. 



blishment has been placed under my management; 

 ahd thus I have enjoyed peculiar advantages for 

 bringing my account of the knowledge and 

 practice of the art dov?n to the very latest 

 period. This additional information, I cannot 

 doubt, will b§ most useful and acceptable to my 

 readers. 



Fkancis Francis. 



The Firs, 



twickbnham. 



