184 



METALS AND THEIR COMBINATIONS. 



1 



PQ O 







O 



1 



O Q^ 



3 -3 : ^ 



1=3-8 



I 



SH 





. | 



fe 



8 





M 



bc3 



^ -43 



I '&B 

 I 5* 



1 



^ "o3 

 P.- 



a s a 



MH NN MH MH 



QJ O 



aj *S * . i ? o 



~*-^ ^j B ~H Q ^ ,~H ^) ^O ^"^ Q} 



^ r^ GC r^ O2 r^ 



P- . PH 



H rn J2 +* 



3 a 



S3 

 ?S 



P 



* 3 





-S PH 





PH 



Black p 



tat 



2 



1-^ ^ 



^^ 5 

 is 8 - 



brown 

 tate. 



e 



brown 

 tate. 



sh 

 ipi 



II 



S.'& 1 2^ 



IH1| 



R 



G >-i 



* . PH 



2| 



?J -2 



If 1 - 



I 



1,1 



S^ 44 



K ^ r3 



^s - 



t^ 1 



s 



9 a . 



1 ^Sg 



I Is-S 



I g 3 - 1 





a 



