I bought it quite a few months ago now and did send an email to the seller telling them I was less than pleased with the severity of the damage.
Azelismia, I don't have Manley's book so I can't comment. Whilst I know there have been misattributions come to light regarding information in the book, I think it has to be balanced with the fact the book was written so many years ago. The internet has become much more widely accessible and information that was never previously known about has come to light in the meantime. I'm sure there are many things that are correct in the book as well, so it's probably one that should be on my shelf really, although it's always wise to double check information anyway unless it comes from an identified and referenced pattern.
Thanks for your thoughts on Webb or Harrach. What is the evidence for these companies?
The one at the Dudley Museum website is id'd as Richardson so I will try and look further into that source as well as Steven's reference of Walsh Walsh.