>> subsequently staff at the British Museum Library used 19th century techniques to try to flatten and mount it, which has contributed to its current condition today rendering the text very difficult to see.

The article says today's specialists have the answer, when previously they were amateur: preservation specialists are having to glean as much as they can, since previous staff didn't really know how to preserve something this important, patronizingly calling them 19th century techniques. I imagine in another few hundred years the specialists of the time will call today's techniques damaging.

It's a common habit to forget learning is continual and we should never stop questioning and challenging the so-called experts. They should stop digging up Dinosaur bones and think twice (or more) before excavating historical sites.