2_„80 



5 x rg 



9:2 



Phil. Mag S.5.VoI 11. R.V1. 



2_7 

 80 



9:8 



27 

 80 



2:1 



80 



3:1 



27 

 80 



9:2 



If** 



* 



Ml 1. 1,1 



I f 



I 



iiii 



is 



I 



nil! 



