per ef = 60° 
a 
C 
D 
ii 
s 
S 
i 
+ 0.001 
-f 0.003 
3 
- .001 
+ .003 
5 
- .002 
4- .001 
7 
- .003 
- .002 
9 
— .003 
— .004 
11 
.001 
- .005 
13 
000 
— .004 
15 
4 - .ooi 
000 
17 
4- .002 
4- .002 
19 
4- .002 
4- .003 
21 
4- .002 
-f .003 
23 
4- .ooi 
4 - .ooi 
1 
4- .ooi 
4- .003 
a 
C 
D 
h 
1 
- 0*005 
— o!o05 
3 
— .005 
- .006 
5 
000 
— .004 
7 
4- .005 
— .001 
9 
4- .007 
4- .002 
11 
4- .003 
4- .004 
13 
— .002 
+ 
o 
o 
t>0 
15 
- .004 
4 - .ooi 
17 
— .002 
4- .003 
19 
4 - .ooi 
4- .003 
21 
-j- .002 
4 - .ooi 
23 
— .001 
— .003 
1 
— .005 
- .005 
14 . 
Ad essi corrisponde il grafico della figura 14. 
