f'i.i 75 



/•;,/ ,<, 



Faf. X. 



Viq 77. 



- •■..;;.. ■■-.'■'■■ 



■ 



Fi,, 7S 

 rlrtm ,'■! ms i 





.«■ m« 



IKMt» ,ln/r 



Fig. SO 



u 



i,k jirrjj 



■ 



■ 



,11 



l 



Fi,,. 79 



Proci am 











■ 



Fig S3 



VetU 



/■;.. hi 



\ 



tri/r 



. a 







r,„i 



-■' 



■ 



Gustav Rsi In 





