Quote:
Originally Posted by Luke
I'm not trying to be argumentative, just interested in the idea and would like to understand it better. Here are the two main reasons why I don't think we are looking at "gear streaks"
1. The lines are definitely not "straight". They follow a general direction but are not a straight line.
2. The Plate Scratches follow the exact same pattern every time. For two of the Plate Scratch patterns, there are two different sheets with the exact same pattern on the back, but a completely different set of fronts. The backs allow us to re-create what the sheet looks like, which Pat has done.
If it was just a random malfunction of the press, I can't imagine that the pattern would be exactly the same every time.
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Note: I edited my post above to add the barber shop illustration. Apologies if you replied before you saw it.
1. They're straight, but sometimes shaky. I've seen most of the photos posted on this thread and the shaky lines could possibly be due to vibration. They're definitely straight lines more often than not.
2. Do you mean that the lines appear on the backs only and not on the front? I think this is because the last stop (or first) on the press was the printing plate for the back design.