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CLASS N, 
FIG. I. CHARACTERISTIC AND 
OF NEGATIVE EMULSIONS. 
RESOLVING-POWER CURVES 
6 HIGH RESOLUTION. 
8, CLASS L 
3 CLASS La 
4 CLASS A 
5 cLASS C 
  
  
  
  
  
  
   
   
   
   
   
  
  
  
  
  
  
  
   
  
  
  
   
      
  
   
  
  
‘0 
2.0 
MINUS LOG EXPOSURE C.M.S, 
  
  
3:0