Medieval Manuscripts with Foldouts

[Koen G]

Well, Lisa's proposal is that they were kept as folded leaflets basically, so the fold is indeed by design. Whether or not this is true is still completely up for debate, but it's an interesting scenario to ponder. And of course, foldouts absolutely play a part in this.

The only section that's bound in order (Zodiac) is actually bound as "singulions", and it's all foldouts. It's also the only section where an indisputable order is dictated by the imagery, and where someone added marginalia that again have to do with a sequence (the months).