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Two Proof Sheets Of #17 From Same Plate Different Size Stamps

 
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Pillar Of The Community
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697 Posts
Posted 06/03/2021   07:18 am  Show Profile Bookmark this topic Add watermark to your friends list Get a Link to this Message

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Pillar Of The Community
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Posted 06/03/2021   08:54 am  Show Profile Bookmark this reply Add John Becker to your friends list  Get a Link to this Reply
Hasn't this been a thread topic before?

The sheet you have on top has a total printed width which is smaller than the under-sheet. The total printed height is also longer than the under-sheet. This is consistent with these two sheets being printed on slightly dampened paper, but cross-grain to each other, which shrinks differently with the grain vs across the grain. I see nothing more.

During actual production, I suspect the pressmen were careful to feed the sheets in the same direction to get a consistent result to the dried sheets. This drying effect would have been common knowledge back then.
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Pillar Of The Community
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Posted 06/03/2021   10:47 am  Show Profile Bookmark this reply Add jogil to your friends list  Get a Link to this Reply
Agree with John Becker. For the above examples:

Vertical paper grain wet printed: 18.25mm (narrower) x 22.75mm (longer)

Horizontal paper grain wet printed: 18.5mm (wider) x 22.5mm (shorter)

The following is a general illustration of this:
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Edited by jogil - 06/03/2021 10:53 am
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