



SCIENTIFIC DISCCT 



'., 



5 AND ART 



F R J 







, 

 



DAVI1 A. 



: 



5 a VV A S H 1 M (i T O N S T K E E T . 



LONDON: 

 TRUBNEK AND COMPANY, 



12 PATERNOSTER ROW, 



1855. 



