22 
APPLICATIONS OF VARIABLE CONTRAST PAPERS 
Fig. 1. Contrast Range of Variable 
V I ’f Contrast 
Fig. 2. Contrast Range of Conventional 
Graded Papers. 
Fig. 3. USAF Type ,4-14.4 Contact Printer Fig. 4. USAF Type B-\5A Projection Printer 
Equipped With Striatedjolter. Equipped With Filter Wheel. 
T1 
descri 
Fi; 
able c 
parts, 
Af 
ing li£ 
filter 1 
glass 
color : 
Fig. 
printi 
the v 
Fi 
mann 
rolls ( 
a stri 
prinb 
T 
simih 
rate c 
differ