original copy declaration of independence

Okay, I get the light part, but what's with the gravity gradient? Does storing it vertically induce tears?
Paper is not meant to support itself standing up. It tends to damage the bottom of the page. Sure it's a negligible amount of weight pushing it down, but over 50-100 years that adds up.
 
Paper is not meant to support itself standing up. It tends to damage the bottom of the page. Sure it's a negligible amount of weight pushing it down, but over 50-100 years that adds up.
Especially when you take into account the fact that most paper made a century or more ago was not a uniform grade from the top to the bottom of the page. It tends to be thicker and heavier in some areas than others.
 
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