Negative
screen
Fig A: Negative of aerial photo made from a positive original on bromide paper Fig D: Positive image of negative A.
with copg camera and a negative contact screen over the lith film in the
film holder.
Positive
screen
Fig B: Negative of the same photo but now made with a positive contact screen. Fig E: Positive image of negative B.
Universal
screen
Fig C: Negative of the same photo but now made with a universal contact screen. Fig F: Positive image of negative C. Printed in ITC Enschede
The offset printing is done on Kromekote (90 grms) paper with a Color-Metal Offset Press. Netherlands (Cart. Dept.)
