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Old 01-24-2023, 02:26 PM
steve B steve B is offline
Steve Birmingham
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Join Date: Sep 2009
Location: eastern Mass.
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Quote:
Originally Posted by ejstel View Post
and some are white, right?
So are the black lines only on the outside borders....and they are sloppy, like the original layouts were pencil or pen. I feel that where there are those bigger marks is where the pen/pencil came up and the next went down. Like when you are marking a 8 ft board with a 2 ft ruler?

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The lines are between certain sections on the 70's, and some other sets.

The entire process was essentially hand done. If the lines are at the top and bottom of the slits - groups of cards produced together, usually 3-4 rows of 11 if I remember them right. Then the dark line would be a gap between the large negative for the different slits.
The negatives get placed on an opaque backing paper and the whole thing is called the mask.
White lines would be where the mask blocked the overlappping area.
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