04 
-N 
Cn 
O 
VI 
00 
o 
o 
GROUP No. 
0.82 
1.09 
1.64 
LYZ 
3.92 
6.67 
o 
o 
o 
13.33 
LINES PER METRE 
ON GROUND 
Cn 
o 
2 
fO 
o 
CD 
UNES PER MM. 
o 
Cn 
o 
o 
O 
AT PHOTO SCALE