160 



A Practical Hand Book 



^ c 

 te u g c 



."2 J ^ 



S ^ ,.2 . 



;-0 

 O C. 



fci. 3^ 



e 



"^ e 



c " 



p = fc 

 c o o 



"a 

 w3 



to fS 3 



0) 3 6 rt 



o 



e 



I- 



13 



Si . 



bcCq 



= ; 



C O 



O V 

 bCjC 



< 



w- r=! 





= e 



b E < 



-2 5 rt & 



Q O, C (0 



U W OJ " 



X O fe <j 



<" I- o S 



i t> o J? 



S 3 S'S 



-2 P S t- 



e rt '^ 



5 > o 

 '^^^< . 



6 C m 



O O U)0 



^ to t-> C 



H 5 



ca 



3 

 < 



ca 



; 





2 I <D .S 





CO 



P^ 



jj 3 



a 



n 



^ 1^ 

 o J3 

 * 



2 



S tj to 

 M si V 



r>. S S 



SCO 



I 



M 



2 > 



o 



> 



5 

 



.2 



'S. 



4> 



.2 1 



