John Rylands Library pitched roof over its reinforced concrete roof. Champneys designed a pitched roof but Mrs Rylands was advised that an internal stone vault would reduce the fire risk and it was not built. The £17 million project was completed by summer 2007 and the library reopened on 20 September 2007. By the nineteenth century Manchester was a prosperous industrial town and the demands of cotton manufacturing stimulated the growth of engineering and chemical industries. The town became 'abominably filthy' and was 'often covered, especially during the winter, with dense fogs ... there is at all times a copious descent of soots
Rylands v Fletcher leading to the development of negligence and nuisance and the further development of trespass. At the time of "Rylands", the previous case relied upon was "Vaughan v Menlove", decided in the Court of Common Pleas in 1837. The case had almost identical facts to "Rylands", but strict liability was never even considered. The case is instead thought of as one of the best attempts of early 19th century English judges to build up the law of negligence. The outcome of "Rylands" meant that judges would again impose strict liability on defendants who accumulated dangerous things on their land without any