I’ve seen it in person. At that time (90s) they had it open to one page, and would turn the page every week or so. Unfortunately when I was there some clueless

I’ve seen it in person. At that time (90s) they had it open to one page, and would turn the page every week or so. Unfortunately when I was there some clueless old codger decided to take a picture with a 35mm camera, leading to a massive flash, after all the signs telling everyone not to. It really brought home how much safer these artifacts are when the idiot public has no access.