nm. iviag. o. u. vol. o. ru. vi. 





















I 





TIN 











N< 

 TIN- 



1. 



LEAD 













60 

























50 

















































SILVER 











N' 



II. 























SILVEF 



.-GOLD 













9-tn 









"\ 























1d0 



\ 























\ 

























\ 























160 



j \ 

























































































~_\ 

























I 

























\ 































110 9$ 



as 



.97 



56 5 



5 











1 









































































1 

























/ 

































































N9III. 













COPPER 



1 



... 



--•.. 





COP 



PER-T 



N 













rf\ 























































130 



120 













k\ 























V> 























t 



oX. 











100 

 30 

 80 



\ 













*/ 



i '"■■. 





















* \ 















i' 











V. 



^ — -j 





1 







\^ 





















60 

 50 

 40 





v 

















1 





\ 















































■* ^3 

















20 









<3 d 















/CO 30 £0 10 60 50 4€ 30 20 /0 



Percentages of the Metal first named in each Series. 



